22-year old Reina Kato is a quiet, gloomy, and introverted university student who recently lost her ability to understand speech as a result of a Traumatic Brain Injury. Now she needs to learn sign language – and fast. However, her teacher – Shiina Mikado – isn’t exactly what she hoped for. She’s perky, loud, and incredibly extroverted, and she’s getting on Reina’s last nerve. Will Reina get fed up with her new teacher? Or do opposites really attract? There will be a new chapter every 1-2 weeks!