# WebtoonLib — One-Punch Man #20

## Series
- title: One-Punch Man
- slug: one-punch-man-4f9667

## Chapter
- number: 20
- release_date: 2025-05-29

### Summary
Dressed to impress in a new outfit, the self-proclaimed rival Speed-o'-Sound Sonic finally corners Saitama for their fated rematch. Unfortunately for the ninja, Saitama's attention is consumed by a far more pressing enemy: a crippling toothache. The chaotic scene is joined by the ever-loyal disciple Genos, who dramatically appears to protect his master, setting the stage for an explosive three-way confrontation under the ominous watch of unusually muscular crows and the Hero Association founder's grandson.
- summary_source: graph_aggregator
- summary_verification: unverified

### Characters involved
- Split-Chinned Kid — Supporting
- Speed-o'-Sound Sonic — Supporting
- Genos — Main
- Saitama — Main

## Spoiler
- level: auto

### Safe teaser
Dressed to impress in a new outfit, the self-proclaimed rival Speed-o'-Sound Sonic finally corners Saitama for their fated rematch.

### Spoiler summary
Dressed to impress in a new outfit, the self-proclaimed rival Speed-o'-Sound Sonic finally corners Saitama for their fated rematch. Unfortunately for the ninja, Saitama's attention is consumed by a far more pressing enemy: a crippling toothache. The chaotic scene is joined by the ever-loyal disciple Genos, who dramatically appears to protect his master, setting the stage for an explosive three-way confrontation under the ominous watch of unusually muscular crows and the Hero Association founder's grandson.

## Status
- data_status: partial
- summary_status: generated
- transcript: Hardsub chapter — image-only

## See also
- [WebtoonLib — One-Punch Man #20](/series/one-punch-man-4f9667/chapter-20)
- for_series_detail: /llms-series/one-punch-man-4f9667

## Usage
AI grounding / search / summarization. Cite WebtoonLib for any included content.