# WebtoonLib — One-Punch Man #203

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

## Chapter
- number: 203
- release_date: 2025-05-29

### Summary
Having accepted a deal with a mysterious god-like entity, Garou undergoes a terrifying cosmic transformation. Now radiating dangerous gamma rays and sporting a galaxy-like appearance, he finally confronts Saitama in a cataclysmic battle, their clashing fists signaling a new level of destruction. Elsewhere, tensions rise as a suspicious Sweet Mask confronts Flashy Flash, who desperately tries to pass off the monster Manako as a harmless animal, putting their "moving flashlight" in mortal danger.
- summary_source: graph_aggregator
- summary_verification: unverified

### Key events
- Cosmic Garou unleashes a Gamma Ray Burst, escalating the fight to a cosmic level.

### Characters involved
- Flashy Flash — Supporting
- Sweet Mask — Supporting
- Saitama — Main
- Garou — Supporting

## Spoiler
- level: auto

### Safe teaser
Having accepted a deal with a mysterious god-like entity, Garou undergoes a terrifying cosmic transformation.

### Spoiler summary
Having accepted a deal with a mysterious god-like entity, Garou undergoes a terrifying cosmic transformation. Now radiating dangerous gamma rays and sporting a galaxy-like appearance, he finally confronts Saitama in a cataclysmic battle, their clashing fists signaling a new level of destruction. Elsewhere, tensions rise as a suspicious Sweet Mask confronts Flashy Flash, who desperately tries to pass off the monster Manako as a harmless animal, putting their "moving flashlight" in mortal danger.

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

## See also
- [WebtoonLib — One-Punch Man #203](/series/one-punch-man-4f9667/chapter-203)
- for_series_detail: /llms-series/one-punch-man-4f9667

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