# WebtoonLib — Kaiju No. 8 #137

## Series
- title: Kaiju No. 8
- slug: kaiju-no-8-cd9a32

## Chapter
- number: 137
- release_date: 2025-05-29

### Summary
As Soushirou Hoshina and Gen Narumi's chaotic alliance holds the line against Kaiju No. 9, Kafka's desperate internal battle unearths a world-shattering truth. The mysterious parasite that transformed him is revealed to be no mere monster, but an ancient, vengeful spirit—a yokai-like entity born from centuries of humanity's collective despair and hatred toward kaiju. Manifesting as a masked samurai within his consciousness, this being's sole purpose is the eradication of all kaiju, and it chose Kafka as its host for his powerful desire to fight, reframing his transformation as the embodiment of humanity's will for revenge.
- summary_source: graph_aggregator
- summary_verification: unverified

### Key events
- The parasite is revealed as an ancient samurai spirit born from human hatred of kaiju.

### Characters involved
- Kaijuu No. 9 — Supporting
- Gen Narumi — Supporting
- Soushirou Hoshina — Supporting
- Kafka Hibino — Main

## Spoiler
- level: auto

### Safe teaser
As Soushirou Hoshina and Gen Narumi's chaotic alliance holds the line against Kaiju No.

### Spoiler summary
As Soushirou Hoshina and Gen Narumi's chaotic alliance holds the line against Kaiju No. 9, Kafka's desperate internal battle unearths a world-shattering truth. The mysterious parasite that transformed him is revealed to be no mere monster, but an ancient, vengeful spirit—a yokai-like entity born from centuries of humanity's collective despair and hatred toward kaiju. Manifesting as a masked samurai within his consciousness, this being's sole purpose is the eradication of all kaiju, and it chose Kafka as its host for his powerful desire to fight, reframing his transformation as the embodiment of humanity's will for revenge.

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

## See also
- [WebtoonLib — Kaiju No. 8 #137](/series/kaiju-no-8-cd9a32/chapter-137)
- for_series_detail: /llms-series/kaiju-no-8-cd9a32

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