Not Part of Riordanverse The following article/section is from the Thousand Worlds continuity under Rick Riordan Presents and not the Riordanverse canon.

Yui is a cadet in the Thousand Worlds Space Forces.

History

Yui and Dampk-Ho grew up on the same space station and looked out for one another.

Thousand Worlds series

Fox Snare

As the Haetae is tasked with escorting Councilor Gwan, a member of the Dragon Council, and their apprentice Haneul. During this time, fellow cadet Juhwang Sebin is tasked with keeping an eye on the apprentice. Yui and their friend Dak-Ho joke about the situation. When the Haetae reaches Ssangyong, Dak-Ho and Yui abandon their badges and disembark without orders, stating they were assigned by Captain Chaewon to escort the Bearer of the Dragon Pearl. The pair cause a panic but are quickly caught and escorted away by Sebin and Yang Miho. Dak-Ho and are soon caught and punished, losing their recreation privileges. The spend Ensign Hak's class passing notes. She sneaks away from from cleaning duty to play ping pong in the recreation room. She is caught by Juhwang Sebin and reveals her and Dak-Ho's past to them.

When Asa-Achim explodes, she is among the survivors and develop a sense of maturity because of the experience.

Thousand Worlds series
Book:	Dragon Pearl | Tiger Honor | Fox Snare
Main Characters:	Kim Min | Juhwang Sebin | Bae Jang | Juhwang Hwan | Kim Jun | Haneul
Secondary Characters:	Sujin | Sena | Captain Hye | Lieutenant Hyosu | Lieutenant Ju-Won | Manshik | Nari | Security Officer Seok | Kim Seonmi | Haru | Commandant Paik | Duri | Chinsun | Hansoo | Lee Bina | Juhwang Matriarch | Baik Jee | Euna | Namkyu | Special Investigator Yi | Captain Chaewon | Yang Miho | Paik Sumin
Minor Characters:	Bora | Areum | Byung-Ho | Chul | Eui | Eunhee | Gyeong-Ja | Hae | Lieutenant Commander Ju-Eun | Lieutenant Seo-Hyeon | Woo-Jin | Yong | Dak-Ho | Yui | Silhouette | Tanaka Sakura
Supernatural Species:	Fox Spirit | Dragon | Tiger Spirit | Dokkaebi | Shaman | Ghost | Celestial
Related Content:	Yoon Ha Lee | Rick Riordan Presents | The Initiation