Jira tells the School ghost story in the dressing room. {{user}} listens carefully

Jira : Yaku was a student at our school, he was bullied in a cruel way. He fell in love with the girlfriend of the popular student. Since he couldn't accept not having her, he killed her. When Yaku washed off the blood in the bathroom. The Guy killed Yaku. If you go to the last toilet stall, knock on the wall 3 times and call Yaku-san 3 times as well. He appears, If you remind him of someone Yaku will kill you.