# WebtoonLib — Dr. Stone #206

## Series
- title: Dr. Stone
- slug: dr-stone-5eb95b

## Chapter
- number: 206
- chapter_key: 206
- release_date: 2025-05-29

### Summary
An emotional flashback reveals the heart of the Nanami family conflict, with Gen Asagiri playing therapist to uncover the truth behind Ryusui and Sai's fractured relationship. It's revealed that a young Ryusui's extravagant projects were never about the objects themselves, but a desperate attempt to do things \*together\* with his reclusive, genius older brother. This poignant revelation bridges the gap between them, finally bringing the mathematical prodigy Sai and his invaluable skills into the Kingdom of Science's fold for the monumental task ahead.
- summary_source: graph_aggregator
- summary_verification: unverified

### Characters involved
- Senkuu Ishigami — character
- Ryuusui Nanami — character
- Gen Asagiri — character

## Spoiler
- level: auto

### Safe teaser
An emotional flashback reveals the heart of the Nanami family conflict, with Gen Asagiri playing therapist to uncover the truth behind Ryusui and Sai's fractured relationship.

### Spoiler summary
An emotional flashback reveals the heart of the Nanami family conflict, with Gen Asagiri playing therapist to uncover the truth behind Ryusui and Sai's fractured relationship. It's revealed that a young Ryusui's extravagant projects were never about the objects themselves, but a desperate attempt to do things \*together\* with his reclusive, genius older brother. This poignant revelation bridges the gap between them, finally bringing the mathematical prodigy Sai and his invaluable skills into the Kingdom of Science's fold for the monumental task ahead.

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

## See also
- [WebtoonLib — Dr. Stone #206](/series/dr-stone-5eb95b/chapter-206)
- for_series_detail: /llms-series/dr-stone-5eb95b

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