# WebtoonLib — The Origin of Species #79

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

## Chapter
- number: 79
- release_date: 2025-03-13

### Summary
The chapter centers on Lee Youngjin and Seo Seunghyun's deepening intimacy, marked by Youngjin's visibly growing baby bump. During a passionate encounter in their car, Youngjin provocatively uses the pet name "Darling," causing Seunghyun to become intensely flustered and lose control. The scene escalates with the unexpected revelation that Youngjin has begun lactating, evidenced by milk visibly appearing during their interaction. This development, combined with the clear display of Youngjin's pregnancy and the heated car scene, generated significant reader reactions ranging from arousal and amusement at Seunghyun's reaction to questions about the realism of early lactation and fervent anticipation for the baby's arrival.
- summary_source: graph_aggregator
- summary_verification: unverified

### Key events
- During an intimate encounter, it is revealed that Youngjin has begun lactating due to the pregnancy.

## Spoiler
- level: auto

### Safe teaser
The chapter centers on Lee Youngjin and Seo Seunghyun's deepening intimacy, marked by Youngjin's visibly growing baby bump.

### Spoiler summary
The chapter centers on Lee Youngjin and Seo Seunghyun's deepening intimacy, marked by Youngjin's visibly growing baby bump. During a passionate encounter in their car, Youngjin provocatively uses the pet name "Darling," causing Seunghyun to become intensely flustered and lose control. The scene escalates with the unexpected revelation that Youngjin has begun lactating, evidenced by milk visibly appearing during their interaction. This development, combined with the clear display of Youngjin's pregnancy and the heated car scene, generated significant reader reactions ranging from arousal and amusement at Seunghyun's reaction to questions about the realism of early lactation and fervent anticipation for the baby's arrival.

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

## See also
- [WebtoonLib — The Origin of Species #79](/series/the-origin-of-species-d4bb2a/chapter-79)
- for_series_detail: /llms-series/the-origin-of-species-d4bb2a

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