# WebtoonLib — One-Punch Man #135

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

## Chapter
- number: 135
- release_date: 2025-05-29

### Summary
As Atomic Samurai's disciples find themselves entangled in a difficult battle against the executive monster Devil Long Hair, the raid on the Monster Association's headquarters takes an even more bizarre turn. A new, utterly absurd threat makes its unforgettable debut: the Dragon-level executive, Kuroi Seishi. Known more colloquially as Black Sperm, the diminutive yet overwhelmingly numerous creature stuns the heroes with its strange appearance and comical name, proving that the Monster Association's leadership is as weird as it is powerful.
- summary_source: graph_aggregator
- summary_verification: unverified

### Key events
- Black Sperm, a Dragon-level executive, makes his debut against Atomic Samurai.

### Characters involved
- Iaian — Supporting
- Kuroi Seishi — Supporting

## Spoiler
- level: auto

### Safe teaser
As Atomic Samurai's disciples find themselves entangled in a difficult battle against the executive monster Devil Long Hair, the raid on the Monster Association's headquarters takes an even more bizarre turn.

### Spoiler summary
As Atomic Samurai's disciples find themselves entangled in a difficult battle against the executive monster Devil Long Hair, the raid on the Monster Association's headquarters takes an even more bizarre turn. A new, utterly absurd threat makes its unforgettable debut: the Dragon-level executive, Kuroi Seishi. Known more colloquially as Black Sperm, the diminutive yet overwhelmingly numerous creature stuns the heroes with its strange appearance and comical name, proving that the Monster Association's leadership is as weird as it is powerful.

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

## See also
- [WebtoonLib — One-Punch Man #135](/series/one-punch-man-4f9667/chapter-135)
- for_series_detail: /llms-series/one-punch-man-4f9667

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