# WebtoonLib — Blue Lock #109

## Series
- title: Blue Lock
- slug: blue-lock-6a3d3a

## Chapter
- number: 109
- release_date: 2025-05-29

### Summary
The reveal of the U-20 starting eleven is immediately upended by a shocking twist. After a violent clash that leaves Rin Itoshi with a bandaged nose, the volatile Ryuusei Shidou is confined to a punishment room by Jinpachi Ego. The situation escalates with the arrival of Rin's estranged brother, the world-class prodigy Sae Itoshi. In a stunning move, Sae demands Shidou's release, not to help Blue Lock, but to have the explosive striker join him on the opposing Japan U-20 team, referring to him as "my little demon." This forces Ego's hand, transforming the upcoming match into a deeply personal and unpredictable battle.
- summary_source: graph_aggregator
- summary_verification: unverified

### Key events
- Sae Itoshi demands that Ryuusei Shidou be released to join the Japan U-20 team as his striker, escalating the stakes of the upcoming match.

### Characters involved
- Sae Itoshi — Supporting
- Jinpachi Ego — Supporting
- Ryuusei Shidou — Supporting
- Rin Itoshi — Main

## Spoiler
- level: auto

### Safe teaser
The reveal of the U-20 starting eleven is immediately upended by a shocking twist.

### Spoiler summary
The reveal of the U-20 starting eleven is immediately upended by a shocking twist. After a violent clash that leaves Rin Itoshi with a bandaged nose, the volatile Ryuusei Shidou is confined to a punishment room by Jinpachi Ego. The situation escalates with the arrival of Rin's estranged brother, the world-class prodigy Sae Itoshi. In a stunning move, Sae demands Shidou's release, not to help Blue Lock, but to have the explosive striker join him on the opposing Japan U-20 team, referring to him as "my little demon." This forces Ego's hand, transforming the upcoming match into a deeply personal and unpredictable battle.

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

## See also
- [WebtoonLib — Blue Lock #109](/series/blue-lock-6a3d3a/chapter-109)
- for_series_detail: /llms-series/blue-lock-6a3d3a

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