General Information | ||
| International Stage Name | Yoon | |
| Domestic Stage Name | 윤 | |
| Full Name | Sim Jayun | |
| Full Domestic Name | 심자윤 | |
| Date of Birth | 2004-04-14 (age 21) | |
| Zodiac | Aries | |
| Country of Birth | South Korea | |
| Company | High Up Entertainment | |
| Related Artists | StayC - Vocal | |
| Original group | StayC | |
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