# WebtoonLib — Sakamoto Days #172

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

## Chapter
- number: 172
- release_date: 2025-05-29

### Summary
The focus shifts to the enigmatic Slur, whose body is now controlled by the personality of the late Rion Akao. When a bewildered Kumanomi questions his new identity, "Rion" delivers a shockingly powerful slap that sends her flying. The confrontation forces a startling question about the nature of Rion's past relationship with Kei Uzuki, triggering a long-awaited flashback that begins to unravel the truth behind their connection and the tragic events that led to Rion's supposed death.
- summary_source: graph_aggregator
- summary_verification: unverified

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

## Spoiler
- level: auto

### Safe teaser
The focus shifts to the enigmatic Slur, whose body is now controlled by the personality of the late Rion Akao.

### Spoiler summary
The focus shifts to the enigmatic Slur, whose body is now controlled by the personality of the late Rion Akao. When a bewildered Kumanomi questions his new identity, "Rion" delivers a shockingly powerful slap that sends her flying. The confrontation forces a startling question about the nature of Rion's past relationship with Kei Uzuki, triggering a long-awaited flashback that begins to unravel the truth behind their connection and the tragic events that led to Rion's supposed death.

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

## See also
- [WebtoonLib — Sakamoto Days #172](/series/sakamoto-days-301993/chapter-172)
- for_series_detail: /llms-series/sakamoto-days-301993

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