In the future — in a world mostly submerged under water — the 19-year-old Sumeragi Aika goes to college while training as an agent by assisting in Aida Gozo's salvaging business.
出演: Ami Koshimizu, Miyuki Sawashiro, Misato Fukuen
S1 | E1 | Dub | Leg
S1 | E2 | Dub | Leg
S1 | E3 | Dub | Leg
