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Eitarou MIZUNO
Eitarou Mizuno is a high school student who is also a swimmer. He is a very talented athlete and is always looking for ways to improve his skills. One day, Eitarou is swimming in the ocean when he is suddenly swept away by a strong current. He wakes up in a strange world that is full of monsters and danger. Eitarou must use his swimming skills to survive in this new world and find a way to return home.