The Goofball(1998)

Hisashi gets fired from his temp job due to his impulsiveness. One day he meets Chikako, a housewife who constantly shoplifts at the supermarket he regularly goes. He somehow agrees to help her to look for her run-away son, Masaru. Unfortunate to Hisashi, Masaru starts following his around instead of returning home, after he was found by Hisashi. Then they end up stealing a gun from a police officer! In their course of running away, the similar two who cannot adapt to society very well start to develop a mutual friendship…