Otoko Oidon
- Alternative Name:
- 男おいどん; I Am a Man
- Status:
- Ongoing
- Categories:
- Shounen,
- Type :
- Japanese
- Author:
- Matsumoto Leiji
- Artist:
- -
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The story of Raunin named Ooyama, who lives in a small apartment, trying to survive. This series made Matsumoto famous.