# WebtoonLib — Magilumiere Co. Ltd. #23

## Series
- title: Magilumiere Co. Ltd.
- slug: magilumiere-co-ltd-9ebe22

## Chapter
- number: 23
- release_date: 2025-05-29

### Summary
The bitter history between Magilumiere's president Shigemoto and AST's Kei Koga is finally unveiled through a flashback to 15 years prior. The narrative reveals their shared past, centered on a young girl in an oversized lab coat and their research into a mysterious substance called "kid-friendly brown sugar." This glimpse into a past tragedy begins to explain the schism between the two men and the origins of Koga's ruthless obsession, adding another layer of complexity for Kana to study and understand.
- summary_source: graph_aggregator
- summary_verification: unverified

### Key events
- The 'Alice' tragedy 15 years ago involving a failed magical girl experiment that split Shigemoto and Koga.

### Characters involved
- Kei Koga — Supporting
- Kana Sakuragi — Main

## Spoiler
- level: auto

### Safe teaser
The bitter history between Magilumiere's president Shigemoto and AST's Kei Koga is finally unveiled through a flashback to 15 years prior.

### Spoiler summary
The bitter history between Magilumiere's president Shigemoto and AST's Kei Koga is finally unveiled through a flashback to 15 years prior. The narrative reveals their shared past, centered on a young girl in an oversized lab coat and their research into a mysterious substance called "kid-friendly brown sugar." This glimpse into a past tragedy begins to explain the schism between the two men and the origins of Koga's ruthless obsession, adding another layer of complexity for Kana to study and understand.

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

## See also
- [WebtoonLib — Magilumiere Co. Ltd. #23](/series/magilumiere-co-ltd-9ebe22/chapter-23)
- for_series_detail: /llms-series/magilumiere-co-ltd-9ebe22

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