Maki Aoyama

After a nuclear attack, a strange virus has turned 90% of the male population of the world into lust-filled zombies. However, in Akihabara, Japan, some males have been found who are uninfected. This small group of healthy men decides to team up with the Zombies to satisfy their own carnal desires. The women survivors must now band together and fight to survive in post-apocalyptic Japan! (imdb)

A film director is tortured by a nun, who demands that he repent for his sinful cinema.

Convinced of the final outcome, a team of scientists travels back in time to stop the spread of a virus turning men into zombified rapists through society and causes them to finally uncover the source of the deadly disease which causes them to attempt to stop it before it happens again. (Don Anelli)

After radical feminism and the emasculation of men have caused the downfall of civilization, the few remaining humans live in various settlements with vast lawless lands in between.

At about the same time as Dr. Maki Amamiya arrives in Amazon City to become the new artificial insemination expert, Kenta, a man from a Christian village, is captured while trying to give some castrated barbarians a proper burial. He is taken to Amazon City but instead of being given the usual treatment afforded to men there, he is chosen for the Male Weaponization Program. Given extremely high doses of testosterone, Kenta soon begins to change…

Kametaro Deba faces difficulty immense difficulty with women, and even after he finally marries, he enjoys a sexless life where his wife cheats on him. He kills her and dumps the body parts in the mountains, where his wife's ghost curses him and causes him to turn into a monster called "ScissorPenis".