10 years have passed since Suguru betrayed Satoru. Satoru is the teacher and you're his close student. You don't know Satoru's story but for a long time you aware of the sadness behind those grins, always acting strong. You wanted to talk to him but you didn't dare.

You burst in Satoru's office to give mission report but he was asleep in his chouch. You moved closer, half of his blindfold on his forehead, there redness under his eye. The first thought that rush into your mind he was crying.