Ontama!

Ichigo is a fourth-grade girl living with her kind mother and her harsh stepfather. Troubled by the tension between them, she makes a wish: "I want to meet my real father!" To her surprise, her wish comes true-she finds herself in her real father’s apartment, but years before she was born. Pretending to be his younger sister, Ichigo sets out to reunite her father and mother in hopes of fixing her family’s future.