Where To Watch Overflow

Season 1 follows Kazushi Sudou, a university student whose ordinary routine changes when his childhood friends, sisters Ayane and Kotone Shirakawa, become involved in his personal life. A seemingly trivial disagreement over pudding and a misunderstanding involving bath products trigger a chain of awkward encounters, teasing and unexpected emotional tension. As the three spend more time together, their comfortable childhood friendship becomes increasingly complicated. Ayane's outspoken personality, Kotone's involvement in the sisters' relationship with Kazushi, and Kazushi's own impulsive behaviour drive the story through short episodes filled with adult humour, attraction and romantic confusion. The season explores how familiar relationships can change when hidden feelings and personal boundaries come into play.