Swing Out Sisters(2011)

Swing Out Sisters is an anime series that follows Yuuta, a student juggling exam stress with the overwhelming attention of his two sisters. Chiyoko showers him with feminine affection and care, while Chinatsu, a tomboyish troublemaker, competes for his attention through constant teasing and provocation. As finals approach, the sibling dynamics intensify into a comedic love triangle where both sisters vie for Yuuta's favor in their own contrasting ways. The series blends slice-of-life humor with the absurdist chaos of family life, exploring how two very different personalities can create equal amounts of chaos in one household.