I FELL IN LOVE AFTER SCHOOL

Kao has no interests, no hobbies, and no friends… so when she’s pushed by her brother to become the manager for the boys’ volleyball team, she reluctantly accepts. But her future as manager is contingent on roping in the equally reluctant Kuze-kun, who, despite his passion and talent, seems intent on leaving volleyball behind... (Source: Kodansha USA) — Description from AniList community (anilist.co).