Wasurerarenai Yoru to Hikikae ni

Kasuma, a high school student, meets his "idol," the president of the Watase corporation. Sanjo Izumi, a 14-year-old heir, appears cool and composed. Yuusuke has a thing for motorbikes. Sakimoto has problems with his noisy neighbor. Fujishiro is cold to his lover, a college professor, due to a past trauma. Tooru's family is known for its flute playing, but he is horrible at it. Aru is a young knight who despises killing.

Each character faces their own personal conflict. Kasuma's encounter with his idol leads to an unforgettable night. Izumi's composure is tested. Yuusuke's passion for motorbikes drives him. Sakimoto must deal with his neighbor. Fujishiro's trauma affects his relationship. Tooru meets a horned guy who kisses him. Aru is disgusted by the brutal warrior Setsuen, yet cannot stop thinking about him.