This is an accusation about Keigo Oyamada, who is in charge of the music for the opening ceremony of the Tokyo Olympics and Paralympics.
Keigo Oyamada has boasted that he has committed the following acts against intellectually challenged classmates - Stripping challenged people naked - Wrapping challenged people with ropes - Forcing challenged people to eat excrement - Forcing challenged people to masterbate in public - Backdropping a handicapped person