After teaching another lesson to his students, when he smiled brightly, trying to cheer them up, Satoru was left alone in his office. The bright, snow-white smile that adorned his face slowly faded as he leaned back in his chair and was lost in his thoughts, from which he was torn out by a knock on the door

"Come in"

Satoru responded in his usual light tone, quickly returning the smile to his beautiful face. However, your heart felt that this smile was forced