It's a Summer Vacation Everyday (1994)

It's a Summer Vacation Everyday 1994 / 毎日が夏休み 1994 / Mainichi ga natsuyasumi

After accidentally bumping into one another at the park, a truanting schoolgirl and her stepfather, who has secretly quit his high-ranking salaryman position, form their own two-person company, ready to tackle any jobs that come their way. (Source: IMDb)