Papa for One Summer(2003)

Papa for One Summer is a Japanese drama series about a teenage girl named Marimo who loses her mother and decides to track down her estranged father. When she finally finds him, Shinpei—a struggling 38-year-old private detective—is skeptical of her claims until she produces proof. What follows is an unexpected journey as these two strangers navigate their newfound relationship. Marimo dismisses him as "the worst father in the world" while Shinpei mourns his lost freedom, but gradually they discover the genuine rewards of family connection. The series balances humor with heartfelt moments as both characters learn to trust each other and heal from their respective losses.