Full Name : Choi Yewon (최예원)

Stage Name : Arin (아린)

Nickname : 아리니, 워니, 예워니, 최아린, 병아린, 아똥이, 엔딩알바

Birthday : June 18, 1999

Birthplace : Busan

Group//Position : Oh My Girl // Sub-Vocal, Lead Dancer

Family : Mom, Dad, Younger Brother

Zodiac : Gemini

Height : 164.4cm

Bloodtype : O