Bukimi de Soboku na Kakowashita Kimi to Boku no Kowareta Sekai

The fourth instalment of the Sekai Series.

For him, everything is a game.
Seven mysterious murders strike a prestigious girls' high school!

A mysterious and inexplicable murder takes place at the supposedly peaceful Senju Girls' School. What's more, the person who works there is the ethics teacher, Kushinaka Choushi. Fourt...