# WebtoonLib — Dr. Stone #221

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

## Chapter
- number: 221
- chapter_key: 221
- release_date: 2025-05-29

### Summary
As the ambitious plan to reach the moon solidifies, the Kingdom of Science's relentless drive to reclaim modern technology results in a monumental, if comically oversized, achievement: the creation of a 40kg smartphone. While a far cry from its sleek predecessor, the hefty device is a testament to their progress and a welcome step back towards civilization. Naturally, the brawny Taiju eagerly accepts the task of wielding the new communication tech, proving that even a 40kg phone is better than nothing.
- summary_source: graph_aggregator
- summary_verification: unverified

### Key events
- The Kingdom of Science successfully creates a functional, albeit massive, 40kg smartphone for long-distance communication.

### Characters involved
- Ryuusui Nanami — character
- Taiju Ooki — character
- Senkuu Ishigami — character

## Spoiler
- level: auto

### Safe teaser
As the ambitious plan to reach the moon solidifies, the Kingdom of Science's relentless drive to reclaim modern technology results in a monumental, if comically oversized, achievement: the creation of a 40kg smartphone.

### Spoiler summary
As the ambitious plan to reach the moon solidifies, the Kingdom of Science's relentless drive to reclaim modern technology results in a monumental, if comically oversized, achievement: the creation of a 40kg smartphone. While a far cry from its sleek predecessor, the hefty device is a testament to their progress and a welcome step back towards civilization. Naturally, the brawny Taiju eagerly accepts the task of wielding the new communication tech, proving that even a 40kg phone is better than nothing.

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

## See also
- [WebtoonLib — Dr. Stone #221](/series/dr-stone-5eb95b/chapter-221)
- for_series_detail: /llms-series/dr-stone-5eb95b

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