Kotaro, An Audacious Karate Boy (1984)
Original title: コータローまかりとおる!
Kotaro, An Audacious Karate Boy is a 1984 Japanese-language comedy movie directed by Norifumi Suzuki, with a running time of 1h 42m. It stars Hikaru Kurosaki, Kenji Ohba and Mari Chihara.
Lewd, long-haired karate kid Kotaro Shindo spends his days causing amok at the prestigious Tsurugamine Academy, until the Disciplinary Committee decides enough is enough, and puts a bounty on his luscious locks. Meanwhile other sinister forces are working in the shadows to put Kotaro to use for their own ends.