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!?
O-Okay. Got it.
Ja, schon klar.
S-sí. De acuerdo.
S-sí. De acuerdo.
Compris.
V-Va bene.
C-Certo.