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.
Retto, can't you convince her?
Retto, kriegst du sie
vielleicht irgendwie rum?
Retto, ¿tú podrás convencerla?
Retto,
tu pourrais la faire changer d’avis ?
Retto,
Рэтто, может,
 ты сможешь её убедить?