On the ninth of this month, the physique of a 17-year-old highschool boy was discovered at Lake Hamana in Kosai City, Shizuoka Prefecture.It is believed that the highschool pupil had been in bother 4 days earlier by tipping over his bike at a pal’s home in Hamamatsu City. It was discovered via interviews with investigators. Police arrested 5 individuals between the ages of 17 and 21 on the twentieth for assaulting a highschool pupil and imprisoning him in a automotive, and are investigating whether or not they’re associated to the incident.