Ah haru

Hiroshi, who has never known his father, is a graduate from a prestigious university, and has a high-flying club job in the world of stocks and shares. Happily married to a beautiful wife, with a son he dotes on, his life appears to be the epitome of success for a Japanese salaryman. One evening, on his way home, he is accosted by a raggedy man who claims to be his father. (imdb)