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!?
Fine. What should I do?
In Ordnung. Was muss ich tun?
De acuerdo. ¿Qué hago?
De acuerdo. ¿Qué hago?
Compris.
Va bene. Che devo fare?
Certo. O que preciso fazer?