| Full Name | Kang Ye-seo |
| Stage Name | Yeseo |
| Native Name | 강예서 |
| Birthday | August 22, 2005 |
| Age | 19 years and 9 months old |
| Zodiac Sign | Leo |
| Birthplace | Guwol-dong, Namdong-gu, Incheon, South Korea |
| Height | 5’2″ (157 cm) |
| Weight | 94.8 lbs (43 kg) |
| Blood Type | A |
| MBTI | ENFJ/ENFP |
| Education | Dongguk University College of Arts |
| Languages | Korean, English, Japanese (basic) |
| Group | MADEIN Kep1er (2021 – July 15, 2024) Busters (2017 – July 31, 2020) CutieL (2010 – December 1, 2013) |
| Social Media | Instagram: [@yes_e0_0] |