Post-apocalyptic world split into North and South, ruled by rival Emperors, where ninjas fight for dominance.

Ordinary student Takamaru discovers ninja heritage through transfer student Haruka, unlocking powers via intimate acts to battle mysterious enemies.

Two engaged teachers face relationship threats as new faculty members create dangerous, immoral situations at school.

Shougo inherits family estate, meets maid, ghost, fiancée, and faces school jealousy after grandfather's death.

Hospitalized man receives email, begins raping nurses after escalating sexual desires.

Ex-cop Shugo investigates missing ex-lover Yura amid brutal murders, drawn into deadly conspiracy.

Shy boy joins Love Club to woo Kasumi, only to find she loves someone else.

Orphan Shinji must find climax-revealed birthmarked girl to escape forced inheritance and marry childhood love.

Naoto must have sex with android Nagi to save Rika from Misty May's abductions.

Volcano orphan helps three sisters save their ice-cream shop while romancing them.

Ordinary human becomes battleground between goddess's dark ambition and four guardian spirits defending realms' balance.

Detective Reiji investigates murders and missing students while searching for a girl's "true self" at a high school.

Three unrelated erotic stories: time-travel assault, voyeuristic bike rides, and teacher drugged for "research."

Man receives sex tickets with breast photos, must find matching girls in erotic game.

Bullied Futoshi uses hypnotic phone from inventor father to take revenge on tormentors.

Harry rescues Ai from luxury ship captivity, witnessing her sexual abuse and forced spectacle in "special ring."

In 2037 Akihabara, yakuza battle over electricity to power neon lights that could kill Nakahara's beloved Arika.

Inyouchuu Shoku Complete Edition compiles two episodes plus 10-minute bonus with twins; demon hunters investigate a cursed island.

A beauty salon lures young women into perverse acts, secretly films them, and uses blackmail for control.

Based on the manga by Yasui Riosuke. Contains minimal animation.