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!?
W-Wait, Mom!
W-Warte, Mama!
¡E-espera, mamá!
¡E-espera, mamá!
Maman, attends !
A-Aspetta, mamma!
E-Espere, mamãe!