Gaku Yashiro



Yashiro Gaku is the main antagonist of the manga and anime series, Boku Dake ga Inai Machi, or The Town Where Only I am Missing.

Role in the series
Yashiro was Satoru's homeroom teacher in primary five, who was secretly a serial killer who was responsible for the serial kidnappings and murders of a few of Satoru's classmates. Gashiro frames Jun Shiratori, a food delivery worker whom Satoru knew from his childhood, for the murders of three of the kidnapped children, and he was sentenced to death. Eighteen years later, Yashiro murders Sachiko, Satoru's mother (who was a former news announcer researching the cold cases surrounding the kidnappings and murders), because she had witnessed his latest attempt at kidnapping a child. Satoru is framed for her murder; this triggers his rerun ability, and it takes him back to 1988.

When he returned to 1988, Satoru; he also makes it his goal of trying to stop the murderer from beginning his killing spree. After trying to foil the killer's actions, it is revealed that Yashiro was actually the murderer when he offered to take Satoru on a ride. He then takes the young boy to a frozen lake, and he locks Satoru in his car, attempting to drown him in order to cover up his crimes. Yashiro then leaves town, meaning that he never interacted with the children who would've became his victims. Satoru survives, but he is put into a 15 year coma due to his near-death experience. The children go on to have relatively happy lives, but Yashiro was never caught.

Trivia

 * He is voiced by Mitsuru Miyamoto.