Kotaro Lives Alone - S01

One day, manga author Shin Karino gets a visit from his new next-door neighbor, four-year-old Kotarou Satou, who gives him a box of tissues. To Karino, Kotarou is a strange kid: he talks in an extremely formal way, and he lives alone in his apartment, with no parents or relatives in sight. But Kotarou doesn't seem to mind, and he doesn't want to rely on people either. Feeling sympathetic toward Kotarou's situation, Karino decides to follow him to a bathhouse in case something happens to him, and there he comes to understand that the little boy isn't so different from him. Little by little, Karino, along with the other residents of the apartment complex, grows fond of Kotarou and his antics. At the same time, Kotarou himself might have found something like a family in his unusual neighbors.