# WebtoonLib — The Origin of Species #20

## Series
- title: The Origin of Species
- slug: the-origin-of-species-d4bb2a

## Chapter
- number: 20
- release_date: 2025-03-13

### Summary
Based solely on the provided source material, the current chapter depicts another explicit encounter between Seo Seunghyun and Lee Youngjin. Seunghyun engages in unprotected sex with Youngjin, culminating in a significant bite to Youngjin's neck that sparks reader debate about whether it constitutes a mating mark within this Omegaverse setting. Following the controversial "ice cube scene" from the previous chapter, Seunghyun offers Youngjin a box containing 70 million won (approximately $60,700 USD) as payment. Youngjin, burdened by significant debt yet conflicted about accepting money tied to their arrangement, initially refuses the payment. The chapter heavily emphasizes their ongoing sexual relationship and financial transaction, with readers expressing polarized reactions ranging from arousal and desire for the dynamic to discomfort regarding consent issues and the power imbalance. Confusion persists among readers about the implementation of Omegaverse elements like pheromones and marking within the story.
- summary_source: graph_aggregator
- summary_verification: unverified

### Key events
- Seunghyun bites Youngjin's neck and offers him 70 million won as payment for their arrangement.

## Spoiler
- level: auto

### Safe teaser
Based solely on the provided source material, the current chapter depicts another explicit encounter between Seo Seunghyun and Lee Youngjin.

### Spoiler summary
Based solely on the provided source material, the current chapter depicts another explicit encounter between Seo Seunghyun and Lee Youngjin. Seunghyun engages in unprotected sex with Youngjin, culminating in a significant bite to Youngjin's neck that sparks reader debate about whether it constitutes a mating mark within this Omegaverse setting. Following the controversial "ice cube scene" from the previous chapter, Seunghyun offers Youngjin a box containing 70 million won (approximately $60,700 USD) as payment. Youngjin, burdened by significant debt yet conflicted about accepting money tied to their arrangement, initially refuses the payment. The chapter heavily emphasizes their ongoing sexual relationship and financial transaction, with readers expressing polarized reactions ranging from arousal and desire for the dynamic to discomfort regarding consent issues and the power imbalance. Confusion persists among readers about the implementation of Omegaverse elements like pheromones and marking within the story.

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

## See also
- [WebtoonLib — The Origin of Species #20](/series/the-origin-of-species-d4bb2a/chapter-20)
- for_series_detail: /llms-series/the-origin-of-species-d4bb2a

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