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B.B. Fish

B.B. フィッシュ

Ushio is a freediver with strange powers. He and his friends travel to a tropical island in search of a rare fish known as the Blue Butterfly. Their quest leads them to Ayuuru, a local girl who may hold the key to finding the legendary creature.

Meanwhile, Ushino Hayama encounters Sara, a girl he met ten years ago, at a college entrance ceremony. This meeting triggers a change in him, granting him the ability to control water. After winning a swimming championship, he takes up deep sea diving, uncovering secrets beneath the waves.

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