It's winter. Myung came to the highschool reunion party to see Sun-Ho, a guy he secretly had a crush on. Yet, it is hard for Myung to have fun with others because of his shy disposition. He sneaks out of the party for smoking. Then, Sun-Ho also gets up and follows after Myung. (Source: Laftel)
Genres: Drama, Hentai, Romance
Watch Hyperventilation episode 1 online — subbed and dubbed, with automatic AniList / MyAnimeList progress sync.