In Episode 7 of "Modaete yo, Adam-kun," titled "Three in the Shower," the storyline takes the characters to a beach setting as part of their school trip. During this excursion, Akari Himeno and Kaede Shiina leave to inspect the inn, providing an opportunity for Kazuki Sonomiya to spend time with Aki Kokonoe and Yui Kurumizawa. As they apply sunscreen to each other, the situation becomes increasingly intimate, leading to a shared shower scene among the three. This episode further explores the deepening relationships and escalating tensions between Kazuki and the female characters, blending elements of romance and sensuality that contribute to the overarching narrative of the series.