Hayate no Gotoku!!: Atsu ga Natsuize - Mizugi-hen!

(Esta sinopse está em inglês. Ajude a comunidade traduzindo!)

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To encourage Nagi to swim and enjoy summer, Maria invites various friends to their Sanzenin family's private beach. While everyone is having fun, Nagi hesitates to wear swimsuits and come out because of her small breasts, and refuses to join...