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!?
Who are you?
Wer bist du denn?
¿Quién eres?
¿Quién eres?
T’es qui, toi ?
E tu chi sei?
Quem é você?