Pinku from 1970.
A girl becomes a pawn in the game between two rival gangs gangster.
Three high school girls about to take their final exam, secretly plan to ruin the diploma ceremony in order to avenge themselves of that school which treated them as delinquents. Two classmates who discovered their plan decide to join the rebellion. They steal all the graduation certificates, use their charms to get weapons from Jieitai soldiers and establish their base in the mountain.
An highschool student who doesn't manage to sleep with girls decides to rely on rape.
Pinku from 1969.
Hanako
A bunch of young hipsters kidnaps a loving couple and keeps them trapped in a barren landscape. To the sounds of free jazz they are performing various experiments with the couple. In the distance is a yakuza gang keeping track of the youths. Who are really experimenting with whom?