Earth faces an unprecedented threat from an invasion by the mysterious Kiseichuu. The Kiseichuu feed on human sexual energy, also known as “H-energy”, and weaken the human population. High school student Retto Enjo is a member of the hero group HXEROS, who fight together to save the earth from the Kiseichuu.
Then what?
Was willst du dann?
¿Entonces?
Alors quoi ?
Então, o quê?
Тогда что?