High-School Outcasts (1970)

Tsutomu (Kensaku Morita), an orphan who once stabbed a man, is released from a reformatory and goes to Tottori, on the Japan Sea coast, to enter a high school. On the beach, he meets a young fisherman, Yusuke (Norihiko Yamamoto) also a student of the same school. They become friends and Tsutomu is offered free board at Yusuke's home.