# WebtoonLib — One-Punch Man #231

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

## Chapter
- number: 231
- release_date: 2025-05-29

### Summary
Still oblivious to the true source of Saitama's power, the S-Class hero Flashy Flash arrives to test his former companion, arrogantly offering to take him on as a pupil if he proves worthy. As a perpetually intense Genos looks on, Flashy Flash attempts to recruit Saitama for a mission to find the monster Manako, recounting a past adventure where Saitama impatiently bypassed a complex sealing ritual to simply kill a dragon. The hilarious clash of egos and misunderstanding of strength culminates in the two agreeing to a fight, ready to finally settle the score.
- summary_source: graph_aggregator
- summary_verification: unverified

### Key events
- Flashy Flash challenges Saitama to a spar to test his abilities, leading to a confrontation interrupted by Sonic.

### Characters involved
- Flashy Flash — Supporting
- Genos — Main
- Saitama — Main

## Spoiler
- level: auto

### Safe teaser
Still oblivious to the true source of Saitama's power, the S-Class hero Flashy Flash arrives to test his former companion, arrogantly offering to take him on as a pupil if he proves worthy.

### Spoiler summary
Still oblivious to the true source of Saitama's power, the S-Class hero Flashy Flash arrives to test his former companion, arrogantly offering to take him on as a pupil if he proves worthy. As a perpetually intense Genos looks on, Flashy Flash attempts to recruit Saitama for a mission to find the monster Manako, recounting a past adventure where Saitama impatiently bypassed a complex sealing ritual to simply kill a dragon. The hilarious clash of egos and misunderstanding of strength culminates in the two agreeing to a fight, ready to finally settle the score.

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

## See also
- [WebtoonLib — One-Punch Man #231](/series/one-punch-man-4f9667/chapter-231)
- for_series_detail: /llms-series/one-punch-man-4f9667

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