# WebtoonLib — Dr. Stone #156

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

## Chapter
- number: 156
- release_date: 2025-05-29

### Summary
The science war takes a deeply personal turn as a flashback reveals the shocking shared history between Senkuu and Dr. Xeno. It is shown that Xeno was a former mentee and colleague of Senkuu's adoptive father, Byakuya Ishigami, effectively making him Senkuu's senior in the world of science. This revelation reframes their conflict from a simple battle of wits into a complex ideological struggle between two brilliant minds shaped by the same mentor, each with a vastly different vision for the future of science.
- summary_source: graph_aggregator
- summary_verification: unverified

### Key events
- Flashback reveals Xeno was a NASA scientist who mentored Senku via email before the petrification.

### Characters involved
- Byakuya Ishigami — character
- Dr. Xeno — character
- Senkuu Ishigami — character

## Spoiler
- level: auto

### Safe teaser
The science war takes a deeply personal turn as a flashback reveals the shocking shared history between Senkuu and Dr.

### Spoiler summary
The science war takes a deeply personal turn as a flashback reveals the shocking shared history between Senkuu and Dr. Xeno. It is shown that Xeno was a former mentee and colleague of Senkuu's adoptive father, Byakuya Ishigami, effectively making him Senkuu's senior in the world of science. This revelation reframes their conflict from a simple battle of wits into a complex ideological struggle between two brilliant minds shaped by the same mentor, each with a vastly different vision for the future of science.

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

## See also
- [WebtoonLib — Dr. Stone #156](/series/dr-stone-5eb95b/chapter-156)
- for_series_detail: /llms-series/dr-stone-5eb95b

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