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!?
Harder!
Mach es fester.
¡Más duro!
¡Más fuerte!
Vas-y plus fort !
Mettici più energia!
Mais forte!