Ep. 19: Retasu e Iruka enfrentan sus miedos al agua mientras Mew Lettuce obtiene una cola de marsopa para salvar a los niños de los alienígenas.

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At the beach, the girls enjoy swimming and playing in the water. However, Retasu does not know how to swim. A girl named Iruka is being picked on for her inability to swim despite having a name meaning "dolphin". Retasu offers support. Later, Iruka admits her ability to swim but she has a fear of water. To encourage her, Retasu jumps into the water but nearly drowns shaking her confidence. The next day, the aliens attack the beach with chimera animas and cause a storm to appear. During the fight, one of the boys from the day before falls into the water. Iruka jumps in to save him, and Mew Lettuce follows to rescue them both. Struggling to swim, Mew Lettuce's legs change into a porpoise tail, enabling her to swim easily and save the children. (Source: Wikipedia)