The Takamura family heads to Atami for a family trip. Encouraging their parents to enjoy some time alone as a couple, Kota spends the day sightseeing by himself and fully enjoys the vacation. Later, as he returns to the inn to rest, Aika comes back to their room after taking a bath, dressed in a yukata. With a distinctly different atmosphere from her usual self, Aika’s traditional Japanese look catches Kota off guard, and he cannot help but be captivated by her appearance. However, Aika quickly notices his gaze…