When the alien Kiseichuu descend on Earth, they have one goal: eradicate the human race. They do so by feeding off the very passion that drives humans to reproduce, their H-Energy! Retto Enjo is recruited onto a team of elite, sexy superheroes assembled to save Earth. Living in a dorm with the four beautiful women of the HXEROS team, Retto finds himself caught up in a web of erotic intrigue where the whole world is at stake! Extraterrestrials and ecchi will collide in this ultimate battle for humanity's debauchery!
THE PASSION BETWEEN TWO PARTNERS

Retto and Kirara team up to try and defeat Princess Kisei, but no matter how hard they train, they just aren't strong enough to take her down. With their power lacking, the two of them are forced to confront another important question--just how do they feel about one another? An impulsive confession of love just might change their relationship forever, even with the fate of the world on the line!

The final volume!