After arriving at the coordinates, Eri decides the treasure hunting club needs a break and declares that they will have a beach party on a nearby island. They are not alone, however, and Aika has to fight her teacher to protect Karen.
Elenco:
Sakiko Tamagawa
,
Atsuko Tanaka
,
Hiroko Konishi
,
Rei Sakuma
,
Kaneto Shiozawa
.
