Gaku Yashiro

Gaku Yashiro is the main antagonist of Boku Dake ga Inai Machi. He is Satoru Fujinuma's homeroom teacher in primary five and a serial killer who primarily targets children. After Satoru's attempt at stopping his actions, he decided to drown Satoru in a frozen river, which resulted in Satoru's 15-year coma. In the 2006 timeline, he is going by the name Manabu Nishizono, which is rather an obvious identity for Japanese speakers (Manabu and Gaku share the same Kanji). Gaku is a fair medium-skinned man with short black hair that has bangs hanging over his eyebrows, brown eyes and he is always see...