The story follows two loners, the pragmatic Hikigaya Hachiman and beautiful Yukinoshita Yukino, who despite their varying personalities and ideals, offer help and advice to others as part of their school's Service Club, assisted by the cheerful and friendly Yuigahama Yui. It largely depicts various social situations faced by teens in a high school setting and the psychology driving their interactions.

It features routes for Yui, Yukino and Shizuka, and side routes for other characters.