| Origin |
Seoul, South Korea |
| Debut |
March 23, 2026 |
| Number of Members |
5 |
| Members |
Serene Haru Soi Summer Yuni |
| Oldest Member |
Serene |
| Youngest Member (Maknae) |
Yuni |
| Tallest Member |
Yuni |
| Shortest Member |
Summer |
OWIS Members Profile
Serene
| Full Name |
Sae Rin |
| Birthday |
August 19, 2626 |
| Birthplace |
N/A |
| Age |
599 years and 10 months old |
| Height |
5 feet 6 inches (168 cm) |
| Zodiac Sign |
Leo |
| Chinese Zodiac Sign |
Horse |
| Blood Type |
ENTP |
| Position |
Leader |
Haru
| Full Name |
Lee Haru |
| Birthday |
April 10, 2627 |
| Birthplace |
N/A |
| Age |
600 years and 5 months old |
| Height |
5 feet 6 inches (167 cm) |
| Zodiac Sign |
Aries |
| Chinese Zodiac Sign |
Goat |
| MBTI |
INFJ |
Soi
| Full Name |
Yoon Soi |
| Birthday |
May 2, 2628 |
| Birthplace |
N/A |
| Age |
601 years and 6 months old |
| Height |
5 feet 5 inches (166 cm) |
| Zodiac Sign |
Taurus |
| Chinese Zodiac Sign |
Monkey |
| MBTI |
INFJ |
Summer
| Full Name |
Yang Boksoon |
| Birthday |
December 8, 2628 |
| Birthplace |
N/A |
| Age |
602 years and 1 month old |
| Height |
5 feet 3 inches (160 cm) |
| Zodiac Sign |
Sagittarius |
| Chinese Zodiac Sign |
Monkey |
| MBTI |
INFP |
Yuni
| Full Name |
Jo Ayoon |
| Birthday |
October 11, 2629 |
| Birthplace |
N/A |
| Age |
602 years and 11 months old |
| Height |
5 feet 7 inches (170 cm) |
| Zodiac Sign |
Libra |
| Chinese Zodiac Sign |
Rooster |
| MBTI |
ENFP |
| Position |
Maknae |
Member Ages: Oldest to Youngest
| Member |
Birthday |
Age |
| Serene |
August 19, 2626 |
599 years, 10 months, 6 days old |
| Haru |
April 10, 2627 |
600 years, 5 months, 28 days old |
| Soi |
May 2, 2628 |
601 years, 6 months, 20 days old |
| Summer |
December 8, 2628 |
602 years, 1 month, 26 days old |
| Yuni |
October 11, 2629 |
602 years, 11 months, 29 days old |
FAQs
How many members are in OWIS?
OWIS is a 5-member K-pop girl group. The group consists of Serene, Haru, Soi, Summer, and Yuni.
When did OWIS debut?
OWIS debuted on March 23, 2026, with their extended play Museum.