# WebtoonLib — Oshi No Ko #79

## Series
- title: Oshi No Ko
- slug: oshi-no-ko-e5257b

## Chapter
- number: 79
- release_date: 2025-05-29

### Summary
The gears of fate grind into a terrifying new alignment as the Hoshino twins swap roles. Reeling from the revelation that the same man orchestrated the murders of both her mother, Ai, and her beloved Dr. Goro, Ruby plunges into a dark abyss of vengeance. Her transformation is starkly visualized as a second star ignites in her eyes, signaling the birth of a "fallen angel" ready for blood. This shift is underscored by chilling new insights into the twins' father, Hikaru Kamiki, revealing his sinister nature as a teenager and raising disturbing questions about his past.
- summary_source: graph_aggregator
- summary_verification: unverified

### Key events
- Ruby awakens the 'black stars' in both eyes after learning Gorou was murdered, vowing revenge.

### Characters involved
- Gorou Amamiya — Supporting
- Ai Hoshino — Main
- Hikaru Kamiki — Supporting
- Aquamarine Hoshino — Main
- Ruby Hoshino — Main

## Spoiler
- level: auto

### Safe teaser
The gears of fate grind into a terrifying new alignment as the Hoshino twins swap roles.

### Spoiler summary
The gears of fate grind into a terrifying new alignment as the Hoshino twins swap roles. Reeling from the revelation that the same man orchestrated the murders of both her mother, Ai, and her beloved Dr. Goro, Ruby plunges into a dark abyss of vengeance. Her transformation is starkly visualized as a second star ignites in her eyes, signaling the birth of a "fallen angel" ready for blood. This shift is underscored by chilling new insights into the twins' father, Hikaru Kamiki, revealing his sinister nature as a teenager and raising disturbing questions about his past.

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

## See also
- [WebtoonLib — Oshi No Ko #79](/series/oshi-no-ko-e5257b/chapter-79)
- for_series_detail: /llms-series/oshi-no-ko-e5257b

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