25 yo Jiyoon
Main Vocalist
ICHILLIN'
아이칠린
- Name:
ICHILLIN' - Hangul:
아이칠린 - Fandom:
- Willing
- Debuted On:
- Sep 8, 2021
- Generation:
- Gen 4 | 2018 - 2022
- Music Label:
- KM Entertainment
- Group Type:
- Girl
About ICHILLIN'
25 yo 
25 yo E.JI
Leader, Main Dancer, Sub-Vocalist
24 yo Jackie
Main Rapper, Lead Dancer
23 yo Joonie
Lead Vocalist, Sub-Rapper
22 yo Chaerin
Main Vocalist
21 yo Yeju
Lead Dancer, Sub-Vocalist, Center
20 yo Chowon
Main Dancer, Sub-Vocalist, Maknae
22 yo Sohee
Sub-Vocalist, Sub-Dancer
| Avg Age | 23.1 years old |
| Oldest | Jiyoon (25 years old) |
| Youngest | Chowon (20 years old) |
| Avg Gap | 8.4 months |
| Next Birthday | Chaerin (Mar 31) |
| Last Birthday | Sohee (Jan 1) |
| Tallest | Jiyoon (168 cm / 5ft 6in) |
| Shortest | Jackie (160 cm / 5ft 3in) |
| Avg Height | 164.3 cm / 5ft 5in |
| Avg Gap | 1.1 cm / 0.4 in |
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