Just Get Up.

Budo's difficult life outside of school is the reason why he devotes so much time to martial arts. He claims he wants to get stronger so he can become more successful in his life in hopes of setting a good example for other people like him. But Budo soon becomes distracted, turning all his attention on a certain underclassman who will set Budo's life on a path no one could have predicted.

[Yandere Simulator (c) YandereDev, I do not own cover art.