Seoul police have imposed an exit ban on a Japanese K-pop trainee accused of fraud after he allegedly disappeared just months before his group’s debut. According to local news reports on Sunday, the Seoul Yeongdeungpo Police Station is investigating the trainee following a complaint filed by his agency. The trainee went missing in December, about two months before he was set to debut as part of a six-member boy group. He reportedly left behind a message saying, “Trust has been broken,” before cu