# WebtoonLib — The Tyrant's Sister #21

## Series
- title: The Tyrant's Sister
- slug: the-tyrants-sister-70a605

## Chapter
- number: 21
- release_date: 2025-05-17

### Summary
Still fuming from Ares's high-handed "rescue," Yuna remains oblivious as he doubles down on his chaotic chivalry. To replace the insulting earring, Ares sets his sights on a legendary pink diamond—a priceless gem meant as a wedding gift for a lover. This audacious decision sends his aide, the long-suffering Sir Wellington, into a complete meltdown, especially as Ares casually plans to acquire the jewel from an unfortunate noble named Armand. While the duke's grand, romantic gesture is poised to turn the princess's scheme into a public triumph for Yuna, the gentle and kind Lancelot continues to shine as a peaceful, drama-free alternative.
- summary_source: graph_aggregator
- summary_verification: unverified

### Key events
- Ares decides to acquire a legendary pink diamond from Armand to replace Iset's insulting gift.

## Spoiler
- level: auto

### Safe teaser
Still fuming from Ares's high-handed "rescue," Yuna remains oblivious as he doubles down on his chaotic chivalry.

### Spoiler summary
Still fuming from Ares's high-handed "rescue," Yuna remains oblivious as he doubles down on his chaotic chivalry. To replace the insulting earring, Ares sets his sights on a legendary pink diamond—a priceless gem meant as a wedding gift for a lover. This audacious decision sends his aide, the long-suffering Sir Wellington, into a complete meltdown, especially as Ares casually plans to acquire the jewel from an unfortunate noble named Armand. While the duke's grand, romantic gesture is poised to turn the princess's scheme into a public triumph for Yuna, the gentle and kind Lancelot continues to shine as a peaceful, drama-free alternative.

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

## See also
- [WebtoonLib — The Tyrant's Sister #21](/series/the-tyrants-sister-70a605/chapter-21)
- for_series_detail: /llms-series/the-tyrants-sister-70a605

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