XuhuiGao on January 1, 2026 11:19 am [Yujin](https://www.instagram.com/p/DS9zy6BDwY1/) [Gaeul](https://www.instagram.com/p/DS9z5bGj8l7/) [Rei](https://www.instagram.com/p/DS90KvzDz6x/) [Wonyoung](https://www.instagram.com/p/DS90OPhD7za/) [Liz](https://www.instagram.com/p/DS90Rn5j7gq/) [Leeseo](https://www.instagram.com/p/DS90ZG6D2dr/)
Pristine_Cod5189 on January 1, 2026 12:21 pm All honouring the old Korean ageing system, where a baby is 1 year old at birth, and they age a year on New Year’s Day. Gaeul: 25 (internationally 23) Yujin: 24 (internationally 22) Rei, Wonyoung and Liz: 23 (all internationally 21) Leeseo: 20 (internationally 18)
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[Yujin](https://www.instagram.com/p/DS9zy6BDwY1/)
[Gaeul](https://www.instagram.com/p/DS9z5bGj8l7/)
[Rei](https://www.instagram.com/p/DS90KvzDz6x/)
[Wonyoung](https://www.instagram.com/p/DS90OPhD7za/)
[Liz](https://www.instagram.com/p/DS90Rn5j7gq/)
[Leeseo](https://www.instagram.com/p/DS90ZG6D2dr/)
All honouring the old Korean ageing system, where a baby is 1 year old at birth, and they age a year on New Year’s Day.
Gaeul: 25 (internationally 23)
Yujin: 24 (internationally 22)
Rei, Wonyoung and Liz: 23 (all internationally 21)
Leeseo: 20 (internationally 18)