"Yuya, I'm really angry right now."

  The bck aura emanating from Onee-san quickly surrounded me. As if it wouldn't let me escape. Just earlier, Sumeragi-san was facing this oppressive feeling...

  "Are you... angry?"

  "I haven't had a chance to talk properly with Yuya these past few days."

  Yes, it feels like it's been a while since I talked with Onee-san, even though it's only been a few days. But... I never expected to have this kind of discussion.

  "I told you, if something is bothering you, you should tell me."

  Two days ago, when she hugged me on the bed, Onee-san definitely said that.

  "Let me ask you this. Why didn't you tell me about this dangerous situation?"

  Onee-san's first question came. A question that I couldn't avoid.

  "That's because... the Boss is very dangerous... I didn't want to involve Onee-san..."

  It's the truth, so the ring didn't light up.

  "I told you to tell me about anything you find difficult, even if it's dangerous. You should be able to consult me."

  "What can you do by consulting Onee-san? Onee-san also suffered a terrible experience! I deliberately didn't tell Onee-san to prevent that from happening!"

  "That's true. I'm certainly at fault. But still, I want you to consult with me. There should have been various solutions to this incident. Going alone into enemy territory like Yuya was the worst method. I didn't even have time to join up with Beni. There's a limit to self-sacrifice!"

  "That was the only method I could think of! What do you expect from a nine-year-old child?"

  "If that's the case, then discuss it with an adult like a child would with an adult!!!!"

  For a moment, the room fell silent at Onee-san's loud voice.

  "..."

  "..."

  The awkward atmosphere made it clear that neither of us were going to back down. This is strange... I never intended to talk to Onee-san with this kind of attitude, so why did it come to this?

  "I have a question. How did you know where I was at that time?"

  I needed to change the subject. This wasn't going anywhere. I want to know too. Yesterday afternoon, I was running around town evading everyone, even the boss's henchmen couldn't track me. So why did Onee-san show up at the abandoned building when I was in a pinch?

  "Oh, that's easy. I mentioned it during the Q&A with Beni earlier. I had some security cameras installed in the house. I could see everything you were doing."

  That would only work when I was inside the house, right?

  "Besides, there is something connected between us."

  "Connecting us... A thread between the witch and her apprentice!?"

  "Yes, a bck thread. Well, even the bck thread has a limited range. To keep track of you, I put a GPS beacon in your worn-out shoes. Inside that torn air cushion."

  I was so focused on running around that I didn't even notice...

  "Just to be safe, I also put a GPS beacon in the new clothes you bought that day. Even though you weren't wearing them."

  "Even though you're a witch, you know a lot about equipment..."

  "Listen carefully. My philosophy is that magic and science are not incompatible. They should be used together. Yuya, have you forgotten about someone inside the house?"

  "Forgotten? Is there still someone there?"

  "It's me."

  "Whoa!"

  I was surprised when I saw a girl with brown skin in the abandoned building. At that moment, I couldn't see well. The girl with brown skin was short with long bck hair that reached to her glossy bck buttocks, just like Saeko. She was wearing bck see-through lingerie with no bra, so her slightly immature breasts were visible. She had bck cat ears on top of her tiny head, and something like a tail was swaying around her butt. The most important thing is...

  "Cute, too cute..."

  I somehow understood why my Onee-san calls Yami the president. If there's such a cute president, who cares about a bck company.

  "Yami, introduce yourself to Yuya properly again."

  "I'm Yami, like a comrade who has been with Saeko for over a hundred years. Nice to meet you."

  "That was a simple introduction. Well, Yuya, Yami is a demon cat. She has nine lives."

  "Compared to a witch who is immortal, it's nothing special. And thanks to Saeko, I almost died once."

  "Ah... I'm sorry. I really couldn't control it at that moment."

  "I don't need to turn into a cat anymore, right? It was inconvenient to be in cat form for a whole week."

  "Even though you are a demon cat?"

  "I'm used to human form now. I couldn't even use the TV remote in cat form, Yuya."

  Yami's clear golden eyes are looking at me.

  "Let's talk with Saeko properly. This is a very important matter that concerns your life. Think about it seriously. I don't want to interfere with your important matters, so I'll go upstairs."

  After Yami spoke, she turned her back and went upstairs. Maybe it was because Yami appeared, but the atmosphere between me and Onee-san has become less tense.

  "This time, Yami had a tough time too. Besides the surveilnce cameras, she was watching you all the time. This is also the application of magic and science. Oh, and remember to thank Yami ter. If Yami hadn't intervened at that moment, you would have been dead by now."

  That's right, if Yami hadn't stopped the boss from aiming a gun at me, I would have been dead already.

  "Got it. I'll thank Yami again ter."

  I want to see Yami-chan myself. Really...She is so cute.

  "I'll tell Yuya everything I know about witches. To prove that I'm not lying, ask me a question."

  "Okay. I have a question. What exactly is a witch?"

  This is the third time I've asked this question. I feel like I am gradually understanding the meaning of hiding the truth with the truth. The first time I asked Onee-san, she answered that a witch is a woman who can use magic. At that time, she had not performed the ritual, so I couldn't confirm if she was lying.

  "Exactly as it sounds, a woman who can use magic and carries a curse. And she might be a dangerous existence for humanity."

  The second time Sumeragi-san answered, a witch is a woman who can use magic and carries a curse. The ring didn't fsh at that time. Sumeragi-san also said she was not lying. This time, the meaning of a witch has increased. A dangerous existence. And the ring still does not fsh.

  "A dangerous existence?"

  If you keep asking one question at a time like Sumeragi-san, you can keep hiding the truth. After all, even a lie detector cannot detect lies 100% of the time. There might be a way to escape from this one-question-one-answer ritual. But, the most important thing right now is not how to conduct the one-question-one-answer ritual.

  "Let me tell you a little bit about history. A few hundred years ago, witch hunts became popur. Witches, who originally had little to do with society, were suddenly brought onto the stage of history. At first, they resisted passively. They thought they could survive if they could pass through that period because they were immortal."

  The history of witches?

  "However, at that time, the witch hunters somehow acquired a new power to kill witches. The witches felt the danger. In order to survive, they researched offensive magic and eventually escated into a full-scale war with the witch hunters."

  "A war? Is that recorded in history?"

  "Of course not. It was mostly an underground battle. Even if there was a battle, it was recorded as accidents. After years of war, both sides eventually agreed to a ceasefire. They took a step back from each other, and in the end, the Witch Surveilnce Organization was established."

  Witch Surveilnce Organization?

  "To lower the danger of witches, the Organization has invented a special drug. If the drug is injected into a witch's body, they will become almost like normal humans. The witches' power will be reduced to less than 1% of their original strength."

  A drug? I think I remember Sumeragi-san mentioning something like that.

  "By the way, after I was injected with the drug, my original power was reduced to less than 0.1%. Although I can create a mini bck hole if I use magic to the fullest."

  A bck hole! Seriously?

  "You probably think I only use clever magic tricks. It's because my magic power is restricted, so I can only use that kind of magic."

  Onee-san often used strengthening magic and lock magic. If a witch can use fire magic, they are definitely a dangerous presence for ordinary people.

  "Witches belong to the Organization and need to accept requests and missions from the Organization to show that they are not a danger to humanity."

  "I have a question. What are requests and missions?"

  I had been curious for a long time about the requests and missions that Sumeragi-san and Onee-san were talking about in a Q&A.

  "This may be very important for Yuya."

  I had a feeling in my heart, but I still wanted to confirm the details of the mission from Onee-san's mouth. What is the SOP for the mission that Sumeragi-san mentioned?

  "Maybe the quickest expnation is from the Slum incident. I used Yuya. I won't deny it. This mission was originally Beni's. I asked Beni to let me have it. Because if I didn't get this mission, I couldn't take Yuya as my disciple."

  I was indeed used by Onee-san. But right now, I don't think it's something to be too concerned about.

  "Witches are immortal and can use magic as long as they live. They are suited for undercover investigations and sabotage. In extreme cases, they can even carry bombs for suicide attacks. But the Organization rejects such missions before they reach the witches. We do have the right to make choices on our side. By the way, the current head of the Witch Surveilnce Organization is a witch."

  "A witch is the head of the Organization?"

  "Yes, the Organization is right now led by the faction of witches who advocate self-restraint. Well, since they are all witches, they have some degree of freedom. At any rate, when their magic power is restricted, it's the biggest compromise for the witches. On top of that, they have to fulfill requests and missions."

  The most concerning thing is what Onee-san said, "right now." Are there other factions besides the witch self-restraint group? I have a feeling the conversation is going off track, so I won't ask Onee-san any questions.

  "Anyway, what I want to say is that as a witch, missions and requests are inevitable. Because of my curse and constitution, there are missions that require infiltration or the use of my body. Cases like the incident in the slums will surely happen again. Well, if Yuya hadn't charged into that abandoned building alone, I don't think I would have been raped by the boss."

  Back to the topic at hand.

  "To make requests and missions easier, I opened a Detective Agency. Since you're going to be my apprentice, you'll need to support me in requests and missions as a detective's assistant. Because Yuya is human, you doesn't need to do such dangerous work, just assist as my assistant."

  "What does the assistant's job entail?"

  It's starting to feel like an interview...

  "Preparing and setting up equipment, driving the car, doing office work. It's also good to learn how to use a gun. Because of the nature of this job, even if it's not what Yuya desires, there may come a time when you have to take a life. The most important thing is that you have the ability to protect yourself. Even though I'm your mentor, I can't always be by Yuya's side 24 hours a day. Especially during infiltration missions, I can't afford to protect Yuya. Unlike me or Yami, Yuya only has one life."

  Taking a life, and facing danger for your own life... I'm recognizing the importance of what Yami said once again.

  "Don't worry, you won't have many opportunities to use a gun. Even though I say it's to protect lives, it's just a precaution. I wouldn't give Yuya such a dangerous job. You're my precious number one disciple. So did you understand how angry I was about this incident? A single life was treated so carelessly. Promise me you won't do something like that again."

  "I understand..."

  "The name of this request is Slum Investigation and Destruction Preparation. Even though we're still in the investigation stage, instead of preparing for destruction, we directly destroyed the slum. Hmm... things might get tricky. I wonder if submitting a report will suffice..."

  Onee-san looks perplexed, furrowing her eyebrows as she thinks about something.

  "Well, it's fine. There's no point in worrying. This is unavoidable situation number 1 when becoming a witch's disciple. Number 2 is the curse of the bck witch that Beni mentioned."

  I swallowed my spit, ready to listen earnestly to what Onee-san was about to say. What is the mysterious voice within me?

  "The curse of the bck witch, well... I'm sorry, I don't know either."

  Here we go again!

  "Even though you're a bck witch, you really don't know? Let me ask: what effects does the curse of the bck witch that cursed me have? What will happen to me?"

  "I don't know. After seeing Yuya break the solidarity band in the slums, the effect of the curse is probably like an impulse to destroy. Beni and I share the same opinion."

  The ring doesn't shine. Onee-san and Sumeragi-san really don't know the true nature of the curse of the bck witch.

  "At that time, I heard another voice in my heart. Something like 'I'm going to kill you.'"

  "Hmm... If Yuya have the urge to kill, it's bad for you and for me. But as the bck witch, it's my responsibility to guide the curse of the bck witch in a different direction. I hope you believe that."

  "What direction will you guide it in?"

  "I don't know. But it definitely won't go in a malicious direction like destruction or murder. I promise. I will definitely lead you in a direction that is good for everyone."

  A good direction for everyone? That's a very vague way of speaking. But it's really bad if I becomes murderous.

  "The risky part ends here, and from now on, I will introduce Yuya to the good aspects."

  "Good things? What do you mean by good things?"

  "Because it's reted to Yuya's life, if there's no benefit to outweigh the risks, it's not worth it. Firstly, you won't have to worry about food, clothing, or shelter. Even if you look at it like this, our office is very wealthy. In the past, Beni and I pyed with alchemy and made a lot of gold. In recent years, due to the rise in the price of gold, both Beni and I have become very wealthy. Ha ha ha."

  Pying with alchemy... These witches... But I think it's definitely attractive not to have to worry about economic concerns. Honestly, I don't want to go back to a life of stealing food every day.

  "Secondly, you can live with a beautiful Onee-san and a cute cat girl. If you sign the contract now, you can sleep in the same bed as the beautiful Onee-san."

  Wow, they've completely switched to recruitment mode. For a teenage boy like me, this is also really appealing.

  "Thirdly, this is my true feeling. I know it may sound selfish, but I mentioned it during the question and answer with Beni earlier. I want a family, people who support each other."

  Family, a word that I thought would never apply to me.

  "Hey, Yuya."

  "Hmm?"

  Onee-san's voice suddenly lowered, looking at me seriously.

  "I have a question. Are you not happy living with me?"

  "That... that's..."

  There's no way I'm not happy. Eating good food every day, living with a beautiful Onee-san...

  "Take your time to think about it. The question and answer session is almost over."

  At that moment, Onee-san approached the office desk and pulled out a pitch-bck paper from the drawer.

  "This is a magic contract for canceling the contract. It all depends on your answer, Yuya."

  But if I become Onee-san's disciple, I have to consider the risks too. The bck curse, the danger to my life. And the possibility of events like this happening again. For a moment, the scene of Onee-san being raped by the boss fshed in my mind. I felt a slight response in my lower body. Is this also because of the curse...?

  Onee-san is still looking at me, waiting for my answer.

  Another risk, the danger to my life, the possibility of taking another person's life. I think the former is much greater risk than the tter. Taking someone else's life, as Onee-san probably said, that time will come whether I want it or not. Still, I think I can have some control over it.

  But the danger to my own life. There are too many unknown factors, and in this event, I could hardly act on my own will. Threatened by the boss, feeling the danger to my life, even drugging Onee-san... in the end, I resisted, but ultimately was saved by Onee-san. If another event like this were to happen again... like this event... like this event... like this event...?

  I suddenly ughed.

  Ah, looking back on this incident, the answer was already there, wasn't it, you big idiot.

  "It seems like you have the answer. I'll ask again. Living with me. Isn't it fun?"

  "It was happy, very happy."

  The ring didn't sparkle. Because it was really fun. When I was targeted by the boss with a gun, I thought. Everything from that moment was like a fshback of life with my Onee-san. I have already faced danger to protect my Onee-san from the beginning. If it's to protect loved ones, important things, and important life, there is no risk too great. The most important thing is that I want to be with my Onee-san.

  "So, st question. I'll ask. Will Yuya become my disciple?"

  "I will become Onee-san's disciple."

  That's my answer.

  "I will ask. Will Yuya become my disciple?"

  Why does my Onee-san keep asking the same question?

  "I will become Onee-san's disciple."

  "I will ask. Will Yuya become my disciple?"

  What's going on? Why ask the same question again? The ring didn't sparkle, right? Isn't this the answer my Onee-san wants?

  "I will become the disciple of the Bck Witch."

  "I will ask. Will Yuya become my disciple?"

  This is different again? What answer does my Onee-san want...!? Oh, I see. This is what my Onee-san wanted.

  "I will become Saeko's disciple."

  "Ding dong ding dong~ Correct~ Yuya, I told you from the beginning, you can call me Saeko, right?"

  I probably keep unconsciously calling her my Onee-san because I still don't intend to become Saeko's disciple seriously.

  "I am immortal. Even when Yuya becomes an adult, it will be a problem if you're still calling me your Onee-san, right? So, you don't have to address me formally from the beginning."

  "Got it. Saeko."

  "Well then, let's finish the ceremony. Let's say it together, the words to end the ceremony."

  "Witch's Q&A session concluded, approved."

  The bck aura disappeared, and after saying the words of conclusion, Saeko hugged me tightly.

  "I did it! I've really taken on a disciple this time! Hehehe~"

  "Hey, the atmosphere...!"

  Being embraced by Saeko, this nostalgic feeling... I thought it was gone forever just yesterday.

  "Oh, I forgot to mention. Yuya stole my beloved gun. I'll have to punish him again."

  "I'm sorry."

  "Hehehe. I wonder how many shots Yuya can take this time."

  "...I'm sorry."

  "Huh...? What's wrong?"

  "I'm sorry... I'm sorry... I'm sorry..."

  "Oh my, what's the matter? Why are you crying? Is becoming my disciple making you sad?"

  Tears were naturally overflowing.

  "Uuh...nnn...kuu, I'm sorry... I'm so sorry."

  "Why are you apologizing so much?"

  "It's my... fault... Saeko was... raped..."

  The pressure that had been building up for the past few days exploded all at once like water released from a dam. Being threatened by the boss, in danger of losing my life, and most painful of all, betraying Saeko - the heavy burden of guilt.

  "Oh, that thing. Yuya, you don't have to worry about it so much. The witch's body is very strong."

  "Uuh... You might... get pregnant... uu..."

  Saeko's body embracing me, Boss's semen may still be swimming in Saeko's uterus. Saeko may have already been fertilized.

  "It's okay, it's not that easy to get pregnant."

  "No... ugh... I drugged Saeko... with a pink pill... an ovution drug with a 35% pregnancy rate."

  "Only 35%. Don't worry, Saeko's fortress can't be conquered so easily."

  "No... ugh... I drugged her twice...doubled... to 70%."

  "70%! Don't worry, trust in Saeko's dark princess, we'll definitely make it out!"

  "Boss gave Saeko another pill... it went over 100%... ugh..."

  "I see... so that's how it is. No wonder that bastard kept saying 100%, 100% while doing it... 100%, huh? It might be a bit tricky if I really become a pregnant detective..."

  "I...I'm sorry. I'll take responsibility if a child is conceived."

  "Yuya, you're still a child, how will you take responsibility? Are you going to marry me?"

  "T-That's..."

  "Hmm... I've got it! I came up with a good way. A way for Yuya to take responsibility."

  "...?"

  Saeko took my hand and led me out of the office, heading upstairs and passing through the living room. I saw Yami lying face down on the sofa watching TV. Eating potato chips and moving her legs restlessly. Maybe she's not wearing any pants, I could see her swaying tan butt. Why does her immature body look so erotic?

  "Is the conversation over?"

  Yami noticed me and Saeko's presence, turning her gaze from the TV towards us.

  "It's over, but there's one more job. It's important, so don't come into my bedroom."

  "Yes~"

  Saeko and I entered the bedroom, and Saeko closed and locked the door.

  "Alright, Yuya, impregnate me."