The students of Aoi College, who are all 19 by the way, have always suspected that Professor Ohse might be some sort of pervert or cretin, but no one could have guessed how depraved he really is. As it turns out, he’s really a terrorist who decides to hold the entire campus hostage, and make all of its comely young lasses submit to his desire for torture and depravity.
Mujintou Monogatari XTriple X
Six vivacious teen girls set out for a vacation at sea that quickly turns into a nightmare they`ll never forget. A wonderful trip turns bad when their yacht gets hijacked by a gang of ruthless criminals then shipwrecked on a deserted island. As the girls struggle to hide from the sex-crazed fiends, tempers flare and betrayal waits in the wings. Can the girls escape with their chastity intact, or will they be even able to escape alive?
Takuya's father died during an accident while he was doing research. Worried about his young stepmother, Ayumi, Takuya follows her to Ken point. Watching her and her best friend, Mitsuki, from behind a rock, a sudden flash of light turns into an unearthly beautiful woman. The mysterious woman slips a ring on his finger, and Takuya's travels into a parallel world begins.
This ring is the key between Takuya and his different realities.