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 it revealed that the remaining members of the club have been brainwashed by their teacher Aika has to fight her teacher to protect Karen. Risako has the upper hand until Karen interferes. When they questioned why she brainwashed she refused to answer only that they should not pursue further in their adventure. She is then shot by Karen and the stripped of her top to talk to the Mysterious man she tells him that she will find out who she is.



Aika vs Bikini Squad

Aika and Karen vs Risako Nagisa

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