It was revealed that a teacher at a famous arts high school, which has produced top idols, was the perpetrator of a sex crime last month, but it is clear that the crime has been going on for at least 10 years. .

●The students, who were victims, said "It felt like he was the founder of a religious cult group."

● Instead of greeting students, whom the teacher was sexually attracted to, he forced to hug and kiss their cheeks, and their body lines were evaluated on a daily basis.