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!?
Well done, Kizuna!
Gut gemacht, Kizuna.
¡Bien hecho, Kizuna!
¡Bien hecho, Kizuna!
Bien joué, Kizuna !
Ben fatto, Kizuna!
Muito bem, Kizuna!