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!?
Hey, what are you doing?
Hey, was treibst du da?
Oye, ¿qué estás haciendo?
Oye, ¿qué estás haciendo?
Qu’est-ce que tu fabriques ?
Ehi, ma che stai facendo?
Ei, o que você está fazendo?