From AnimeNewsNetwork:
Watari's (author) romantic comedy revolves around an antisocial high school student named Hachiman Hikigaya with a distorted view on life and no friends or girlfriend. When he see his classmates talking excitedly about living their adolescent lives, he mutters, "They're a bunch of liars." When he is asked about his future dreams, he responds, "Not working." A teacher gets Hachiman to join the volunteer "service club," which happens to have the school's prettiest girl, Yukino Yukinoshita.
A 4-koma spin-off of the popular light romantic comedy, Yahari Ore no Seishun Love Come wa Machigatteiru.
Hachiman Hikigaya is a high school boy with twisted character. He prefers to go against the trend and refuses to make friends with anybody. In order to get Hachiman back on the right track, his school teacher Shizuka Hiratsuka forces him to join the "Public Service Club." There he meets other problematic students.