In a future world where invaders from another dimension have driven humanity to live on floating islands in the sea, Hida Kizuna becomes a member of the elite Amaterasu squadron.  In order to power up the mech suits of this all-girls combat team, he has to... do lewd things to them!?
But what happened?
Aber was ist denn passiert?
Pero ¿qué pasó?
Pero ¿qué ha pasado?
Mais que s’est-il passé ?
Ma che è successo di preciso?
Mas o que houve aqui?