The Child Thief

Minori is the only daughter of the Sano's, a happy, picture-perfect family. One day, Minori, cheerful as ever, returns home to get something, and encounters a burglar who had broken into the house. Minori pursues the thief as he tries to escape, falling off the balcony in the process. When the robber catches her as she lands, they end up swapping bodies with each other! They're now stuck in a strange situation: navigating the bizarre family life of mother, father, daughter, and thief.

(Source: Kodansha, translated)