Masumi Jun

A gang of no-good youths calling themselves "Piranha" terrorize a seaside community by breaking into rich folks' mansions, stealing and raping everything in sight.

Nikkatsu Roman Porno

A conflict erupts between the girl gangs of Kinjou Gakuen High School and Shiiba Girls’ High School. Sex, fights and rock music ensue.

Roman Porno from 1974.