One-Punch Underdog Boxer
Episodes
58
Free episodes
—
Status
Unknown
Platforms
1
A 22-year-old boxing gym sparring partner is mocked as a 300-pound punching bag. Desperate to save his injured father, he gains a one-punch system and enters the boxing world. But when the system fails and dark secrets behind the matches emerge, he must prove he’s more than just a cheat and fight his way to become a true champion.
Where to watch
Links go to the platform's own page. Availability and free-episode counts were last checked 10/11/2026.
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