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.
Superheroes need five people on a team.
Ein Heldenteam muss
aus fünf Leuten bestehen!
Los superhéroes necesitan
a cinco personas en un equipo.
Il faut 5 personnes
pour un groupe de héros !
Os super-heróis
В команде героев… 
должно быть пять человек!