Showa Saikyo Koko Den Kokushi Sanjo!!2 (2016)

Kinichi Ogawa is pursued by the yakuza of Kameyama Kogyo and caught the attention of Masashi Kanto, a daring college student. Seeking shelter in an auto factory where Sasai, a renowned Koshikan alumnus, works, Kinichi finds himself targeted by Kameyama Kogyo's students, who begin hunting down Koshikan alumni. Meanwhile, Detective Okochi from the juvenile division starts investigating the case.