Blood Is Redder Than the Sun
Plot: A high school student preparing for his university entrance exams is discontent with various social inequities and is determined to take vengeance on all adults. According to the press information accompanying a 2005 retrospective of Kōji Wakamatsu‘s films, the individuals using the “Yoshiaki Ōtani” pseudonym for the screenwriter credit on this film are Yasuaki Hangai and Mikio Terashima

Kazuhiko Otsuka
Nami Katsura
Mikio Terashima
Kōji Wakamatsu
Masao Adachi