# WebtoonLib — Oshi No Ko #122

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

## Chapter
- number: 122
- release_date: 2025-05-29

### Summary
The long-awaited moment finally arrives in a chapter of pure emotional catharsis. After overhearing Ruby's breakdown, Aqua puts the final, shocking piece of the puzzle together: his twin sister is the reincarnation of his former patient, Sarina. The devastating secret that has separated them for sixteen years is shattered in a tearful reunion, as the souls of Doctor Gorou and Sarina find one another again in their new lives. The discovery instantly vanquishes the dark star of vengeance in Ruby's eye, replacing her all-consuming hatred with the light of her rediscovered connection and fundamentally altering the twins' shared destiny.
- summary_source: graph_aggregator
- summary_verification: unverified

### Key events
- Aqua realizes Ruby is the reincarnation of Sarina Tendou after overhearing her breakdown.

### Characters involved
- Ruby Hoshino — Main
- Aquamarine Hoshino — Main

## Spoiler
- level: auto

### Safe teaser
The long-awaited moment finally arrives in a chapter of pure emotional catharsis.

### Spoiler summary
The long-awaited moment finally arrives in a chapter of pure emotional catharsis. After overhearing Ruby's breakdown, Aqua puts the final, shocking piece of the puzzle together: his twin sister is the reincarnation of his former patient, Sarina. The devastating secret that has separated them for sixteen years is shattered in a tearful reunion, as the souls of Doctor Gorou and Sarina find one another again in their new lives. The discovery instantly vanquishes the dark star of vengeance in Ruby's eye, replacing her all-consuming hatred with the light of her rediscovered connection and fundamentally altering the twins' shared destiny.

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

## See also
- [WebtoonLib — Oshi No Ko #122](/series/oshi-no-ko-e5257b/chapter-122)
- for_series_detail: /llms-series/oshi-no-ko-e5257b

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