Doing Time (2002)

Doing Time is a 2002 film directed by Korean-Japanese film director Yōichi Sai. Based on Kazuichi Hanawa's manga, it follows the day-to-day routine of a middle-aged inmate at a low security Japanese prison.

More at Wikipedia.

Cast:

• Teruyuki Kagawa
• Yutaka Matsushige
• Toshifumi Muramatsu
• Tomorowo Taguchi
• Tsutomu Yamazaki