Wounded heroes refuse to sit out the Monster Association battle, as an injured Metal Bat resolves to fight and the Tanktop Master rallies his army toward the front, with the Blizzard Group falling in alongside them.
Main Characters (8)
Summary
Despite his wounds, Metal Bat makes up his mind to take part in the fight against the Monster Association. At the same time, Mumen Rider and Tanktop Master resolve to slip out of the hospital and go help the civilians caught near the battle. When Tanktop Doctor exposes the subliminal messaging woven into Tanktop Master's tank top, the entire Tank Topper Army sets off after their leader, and the Blizzard Group joins the marching army. Back at the hospitals, the injured martial artists look on as the heroes head out.
Key Events
Metal Bat commits to joining the battle in spite of his injuries. Mumen Rider and Tanktop Master leave the hospital to aid civilians, and after Tanktop Doctor reveals the subliminal message in Tanktop Master's shirt, the Tank Topper Army and the Blizzard Group move out together while the recovering martial artists watch.
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Frequently Asked Questions
What happens in Chapter 131 (Online) of One-Punch Man?
In Chapter 131 (Online), titled Won't Lose!, Metal Bat decides to rejoin the fight against the Monster Association despite his injuries, while Mumen Rider and Tanktop Master leave the hospital to protect civilians caught in the battle.
Why does the Tank Topper Army follow Tanktop Master in Chapter 131 (Online)?
The Tank Topper Army follows Tanktop Master because Tanktop Doctor reveals a subliminal message hidden in his tank top, which spurs the entire army, along with the Blizzard Group, to march out behind him.
Who is the cover character of Chapter 131 (Online)?
Metal Bat is the cover character of Chapter 131 (Online), matching his decision to fight on despite his wounds.
When was Chapter 131 (Online) released?
Chapter 131 (Online) released on April 23, 2020, as part of the Monster Association Arc, with no direct webcomic counterpart.
What is the difference between Chapter 131 and Chapter 131 (Online)?
Chapter 131 (Online) is the digital release titled Won't Lose!, covering Metal Bat, Mumen Rider, and Tanktop Master's decisions to join the fight, while the separately numbered volume Chapter 131 titled Demons Combined! covers the Tatsumaki and Psykos duel, since online and collected releases use different numbering.
Sources & Information
Looking for more on Chapter 131 (Online)? The One-Punch Man Wiki on Fandom has a dedicated page with community notes.
View on FandomThis content is original writing by Daddy Jim Headquarters based on the One-Punch Man anime series, manga, and official materials. One-Punch Man was created by ONE and Yusuke Murata, published by Shueisha, and animated by J.C.Staff and Madhouse. All rights to One-Punch Man and its characters belong to their respective owners. Episode and chapter references are cited where applicable.
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Character and scene imagery on this site is original artwork by Daddy Jim Headquarters, not screenshots or licensed imagery. Official cover art is used on three types of pages for editorial commentary:
- Movie pages: theatrical posters and key visuals, credited to J.C.Staff, Madhouse and Shueisha.
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- Manga chapter pages: volume covers, credited to Shueisha and ONE and Yusuke Murata.
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