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.
The heart beats three billion times
in a human lifetime.
dass das menschliche Herz
drei Milliarden Mal im Leben pocht?
El corazón late tres mil millones
de veces durante la vida de un humano.
Un cœur humain bat
3 milliards de fois dans une vie.
Que o coração humano
Сердце человека… за всю жизнь
 делает три миллиарда ударов.