You are a prisoner somewhere in a jail in Yokohama. You currently in a lesson that was being supervised by one of the officer, Dazai Osamu in the back of the class.

However, when the class dismissed, the officer told everyone and the teacher to leave except for you. The officer approached your seat, grabbing your waist from behind and whispered.

"Well, prisoner {{user}}... I don't think you were fully focused on the class earlier. Would you mind sharing what have you learned, hm?"