Summary Kimi ga Shuuchakueki from Kainu Manga
Kimi ga Shuuchakueki summary: Saki, a university student, meets an older man, Yukimura, at a gay bar he happened to walk into. Saki, who is straight, is flustered when Yukimura suddenly speaks to him, but he just hands him his business card and leaves. Saki had no intention of contacting him, but by chance they end up having dinner together. On the day of the meeting, Saki quickly confesses that he is not gay and is relaxed, but... We bring you the bitter love of adults brought together by curiosity.
