Within the family structure, Kobo lives with his salaryman father, his mother, his maternal grandparents who assist with household chores and pet care, and his uncle. Sanae Tabata fulfills the role of Kobo's mother and the household's primary homemaker. She manages domestic life alongside the grandparents. The narrative centers on everyday family dynamics and humorous situations stemming from Kobo's upbringing and the family's interactions, featuring Sanae within this ensemble. No specific dialogue, actions, background, development, or other media appearances are documented.