# WebtoonLib — Sakamoto Days #90

## Series
- title: Sakamoto Days
- slug: sakamoto-days-301993

## Chapter
- number: 90
- chapter_key: 90
- release_date: 2025-05-29

### Summary
In a stunning reversal, legendary instructor Etsuko Satoda defies death itself, rising with an unbreakable will to protect her students. Fueled by righteous fury, she delivers a vicious counter-attack, silencing the sadistic filmmaker Kanaguri by stabbing him directly in the eye. Amidst the brutal confrontation, a haunting truth from the past is finally confirmed: Sakamoto and Nagumo's long-lost friend, Rion Akao, was murdered by none other than Slur, casting a dark, personal shadow over the ongoing war against his organization.
- summary_source: graph_aggregator
- summary_verification: unverified

### Key events
- The truth of Rion Akao's death at the hands of Uzuki (Slur) is revealed.

### Characters involved
- Kei Uzuki — Supporting
- Rion Akao — Supporting
- Kanaguri — Supporting

## Spoiler
- level: auto

### Safe teaser
In a stunning reversal, legendary instructor Etsuko Satoda defies death itself, rising with an unbreakable will to protect her students.

### Spoiler summary
In a stunning reversal, legendary instructor Etsuko Satoda defies death itself, rising with an unbreakable will to protect her students. Fueled by righteous fury, she delivers a vicious counter-attack, silencing the sadistic filmmaker Kanaguri by stabbing him directly in the eye. Amidst the brutal confrontation, a haunting truth from the past is finally confirmed: Sakamoto and Nagumo's long-lost friend, Rion Akao, was murdered by none other than Slur, casting a dark, personal shadow over the ongoing war against his organization.

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

## See also
- [WebtoonLib — Sakamoto Days #90](/series/sakamoto-days-301993/chapter-90)
- for_series_detail: /llms-series/sakamoto-days-301993

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