Kentaro wakes up on top of a surgery table and he soon finds out how he got there. It turns out he has been chosen by the demoness, Chiffon to be an experiment for world domination. Kentaro will need to decide...

When the mantis-like aliens known as Kiseichuu descend on Earth, they have one goal: eradicate the human race. They do so by absorbing humans' H-energy–the sexual passion that fuels so many people and keeps the...