# WebtoonLib — Blue Lock #123

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

## Chapter
- number: 123
- release_date: 2025-05-29

### Summary
A poignant flashback interrupts the high-stakes U-20 match, revealing the once-inseparable and deeply affectionate bond between the Itoshi brothers. This glimpse into a shared past, where a young, adoring Rin looked up to his supportive older brother Sae, stands in stark contrast to their current, bitter rivalry on the field. The wholesome revelation of their former closeness only deepens the mystery of what shattered their relationship, adding a tragic new layer to the impending clash as Sae partners with the explosive Shidou instead of his own sibling.
- summary_source: graph_aggregator
- summary_verification: unverified

### Characters involved
- Gurimu Igarashi — Supporting
- Hyouma Chigiri — Main
- Ryuusei Shidou — Supporting
- Sae Itoshi — Supporting
- Rin Itoshi — Main

## Spoiler
- level: auto

### Safe teaser
A poignant flashback interrupts the high-stakes U-20 match, revealing the once-inseparable and deeply affectionate bond between the Itoshi brothers.

### Spoiler summary
A poignant flashback interrupts the high-stakes U-20 match, revealing the once-inseparable and deeply affectionate bond between the Itoshi brothers. This glimpse into a shared past, where a young, adoring Rin looked up to his supportive older brother Sae, stands in stark contrast to their current, bitter rivalry on the field. The wholesome revelation of their former closeness only deepens the mystery of what shattered their relationship, adding a tragic new layer to the impending clash as Sae partners with the explosive Shidou instead of his own sibling.

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

## See also
- [WebtoonLib — Blue Lock #123](/series/blue-lock-6a3d3a/chapter-123)
- for_series_detail: /llms-series/blue-lock-6a3d3a

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