Dude gets violated by a succubus every night in his dreams. He finally has enough and summons the demon to the real world, and gives her that D she so wants. That is, until a wild futanari appears...
Dude needs to defeat a monster in order to save the world. However, he isn't strong enough and needs a power-up - which just so happens to involve his blonde teammate. Episode 2 involves a guy training his little sister on the art of cock-handling. His cock in particular.