Overview
- The Adachi Ward Board of Education disclosed the case on October 3 and said no student was harmed.
- The incident occurred on September 26 during sports day practice when two pupils removed a classmate’s bottle from a locked room.
- The pair used a school key to access the classroom, then mixed about three packets of a product identified as Melatobel in a restroom.
- A witness alerted the homeroom teacher, the tainted bottle was discarded before it was drunk, and the school consulted police.
- One child brought the sleep-inducing agent from home, and the students said they acted to bother their classmate as the board reviews key control and information-sharing lapses.