# WebtoonLib — Oshi No Ko #138

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

## Chapter
- number: 138
- release_date: 2025-05-29

### Summary
Reeling from the emotional devastation of Kana's brutal, friendship-shattering tirade, Ruby is forced into a profound re-evaluation of her mother. The perfect, invincible idol she and Aqua have always worshipped begins to crumble, replaced by the heartbreaking realization that Ai was a deeply flawed and vulnerable human who hid her immense pain behind a practiced smile. This painful epiphany marks a critical breakthrough for Ruby's acting, allowing her to finally grasp the complex woman she's meant to portray, but it also leaves her with a haunting new question about the mother she never truly knew.
- summary_source: graph_aggregator
- summary_verification: unverified

### Characters involved
- Ai Hoshino — Main
- Kana Arima — Main
- Ruby Hoshino — Main

## Spoiler
- level: auto

### Safe teaser
Reeling from the emotional devastation of Kana's brutal, friendship-shattering tirade, Ruby is forced into a profound re-evaluation of her mother.

### Spoiler summary
Reeling from the emotional devastation of Kana's brutal, friendship-shattering tirade, Ruby is forced into a profound re-evaluation of her mother. The perfect, invincible idol she and Aqua have always worshipped begins to crumble, replaced by the heartbreaking realization that Ai was a deeply flawed and vulnerable human who hid her immense pain behind a practiced smile. This painful epiphany marks a critical breakthrough for Ruby's acting, allowing her to finally grasp the complex woman she's meant to portray, but it also leaves her with a haunting new question about the mother she never truly knew.

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

## See also
- [WebtoonLib — Oshi No Ko #138](/series/oshi-no-ko-e5257b/chapter-138)
- for_series_detail: /llms-series/oshi-no-ko-e5257b

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