- CoachEun Ju Kim, Hyungkyung Choi
- Former CoachN/A
- ChoreographerYeaji Shin
- Practice low seasonDaegu
- Practice high seasonDaegu
- bio
Seo's mother Eun Ju Kim is a figure skating coach and part of his coaching team.
Music Short Program as of season 2026/2027
El Toque de Rafa by Andres Cantu
Music Free Skating / Free Dance as of season 2026/2027
Umbrellas of Cherbourg by Michel Legrand
skaters bests
| Personal Best Total Score | ISU Grand Prix Final 2025 | 05 Dec 2025 | 255.91 |
| Personal Best Score Short Program | ISU World Junior Championships 2025 | 26 Feb 2025 | 86.68 |
| Personal Best Score Free Skating | ISU Grand Prix Final 2025 | 05 Dec 2025 | 171.09 |
