Salaryman Kintaro(2001)

Salaryman Kintaro is a Japanese drama series following Kintarō Yajima, a former biker gang leader who abandons his criminal past to become an ordinary office worker. Driven by his promise to his late wife, Kintarō takes on the corporate world to provide a stable life for his young son. The series explores his struggle to adapt to white-collar life while carrying the weight of his dangerous history. As Kintarō navigates workplace politics and social expectations, he discovers that leaving the gang behind is far easier than shedding the instincts and reputation that defined him. The clash between his rough exterior and his genuine desire for redemption creates both comedic and dramatic tension, examining whether a man can truly reinvent himself for the sake of family.