Four years ago, in 2020, a female student who attended a junior high school in Yokohama committed suicide. The city's third-party committee reported that the female student was attacked by her classmates.

The report identifies the teasing of a femaleStudent by multiple male students as bullying. It can be said that he committed suicide due to a strong sense of isolation caused by bullying and bullying, pointing out that there was a causal relationship. The Ministry of Education, Culture, Sports, Science and Technology's 24-hour Children's SOS Dial is 0120-0-78310.