Mizuho accepts Hiro’s invitation for after-hours pool training, where her struggles in the water soon give way to lighthearted closeness in a sleek new swimsuit. Their session grows increasingly charged as splashes and shared laughter draw the pair together. Meanwhile, Takuya’s ordinary evening shifts when an accidental mishap leaves him and his neighbor Sayaka drenched, prompting an awkward yet tender moment between them. The episode emphasizes the sensual appeal of wet mizugi and intimate aquatic encounters.