| Origin | Seoul, South Korea |
| Debut | May 5, 2022 |
| Debut Album | Y: CLASS IS OVER |
| Number of Members | 7 |
| Members | Hyeju Hyungseo Chaewon Riwon Jimin Boeun Seonyou |
| Oldest Member | Hyungseo |
| Youngest Member (Maknae) | Seonyou |
| Tallest Member | Jimin |
| Shortest Member | Riwon |
| Social Media Accounts | Website: m25ent.com/21 Instagram: @m25_classy X: @M25_CLASSy TikTok: @m25_classy YouTube: CLASS:y Weverse: CLASS:y |
CLASS:y Members Profile
Hyeju
| Full Name | Hong Hye-ju |
| Birthday | December 09, 2003 |
| Birthplace | Songpa-gu, Seoul, South Korea |
| Age | 22 years and 3 months old |
| Height | 5 feet 5 inches (165 cm) |
| Weight | 99 lbs (45 kg) |
| Zodiac Sign | Sagittarius |
| Blood Type | O |
| MBTI | ISFJ |
| Nationality | Korean |
| Position | Leader, Main Dancer, Lead Rapper, Vocalist |
| @xhyejoo |
Hyungseo
| Full Name | Myung Hyung-seo |
| Birthday | June 25, 2001 |
| Birthplace | Suwon, Gyeonggi-do, South Korea |
| Age | 24 years and 9 months old |
| Height | 5 feet 3 inches (161 cm) |
| Weight | 95 lbs (43 kg) |
| Zodiac Sign | Cancer |
| Blood Type | A |
| MBTI | ISFJ |
| Nationality | Korean |
| Position | Lead Vocalist |
| @myunghyungseo |
Chaewon
| Full Name | Yoon Chae-won |
| Birthday | June 04, 2003 |
| Birthplace | Hanam, Gyeonggi Province, South Korea |
| Age | 22 years and 9 months old |
| Height | 5 feet 3 inches (161 cm) |
| Weight | 93 lbs (42 kg) |
| Zodiac Sign | Gemini |
| Blood Type | O |
| MBTI | ISTP |
| Nationality | Korean |
| Position | Main Vocalist |
| @ilovechaerry |
Riwon
| Full Name | Kim Ri-won |
| Birthday | January 11, 2007 |
| Birthplace | Sang-ri, Yeoju, Gyeonggi Province, South Korea |
| Age | 19 years and 2 months old |
| Height | 5 feet 1 inches (156 cm) |
| Weight | 88 lbs (40 kg) |
| Zodiac Sign | Capricorn |
| Blood Type | AB |
| MBTI | ISFP |
| Nationality | Korean |
| Position | Lead Dancer, Lead Vocalist |
| @_riii__1_ |
Jimin
| Full Name | Won Ji-min |
| Birthday | November 25, 2007 |
| Birthplace | Wonju, Gangwon Province, South Korea |
| Age | 18 years and 4 months old |
| Height | 5 feet 8 inches (172 cm) |
| Weight | 112 lbs (51 kg) |
| Zodiac Sign | Sagittarius |
| Blood Type | AB |
| MBTI | ISTP |
| Nationality | Korean |
| Position | Lead Vocalist, Center |
| @__wonandonly_ |
Boeun
| Full Name | Park Bo-eun |
| Birthday | February 11, 2008 |
| Birthplace | Ulsan, South Korea |
| Age | 18 years and 1 month old |
| Height | 5 feet 1 inches (157 cm) |
| Weight | 86 lbs (39 kg) |
| Zodiac Sign | Aquarius |
| Blood Type | O |
| MBTI | INTP |
| Nationality | Korean |
| Position | Lead Vocalist |
| @benotpaused |
Seonyou
| Full Name | Kim Seon-you |
| Birthday | March 20, 2008 |
| Birthplace | Gangneung, Gangwon-do, South Korea |
| Age | 18 years old |
| Height | 5 feet 3 inches (160 cm) |
| Weight | 95 lbs (43 kg) |
| Zodiac Sign | Pisces |
| Blood Type | B |
| MBTI | ISTP |
| Nationality | Korean |
| Position | Main Rapper, Lead Dancer, Vocalist, Maknae |
| @s_n_yu32o |
Member Ages: Oldest to Youngest
| Member | Birthday | Age |
|---|---|---|
| Hyungseo | June 25, 2001 | 24 years, 9 months old |
| Chaewon | June 04, 2003 | 22 years, 9 months, 21 days old |
| Hyeju | December 09, 2003 | 22 years, 3 months, 16 days old |
| Riwon | January 11, 2007 | 19 years, 2 months, 14 days old |
| Jimin | November 25, 2007 | 18 years, 4 months old |
| Boeun | February 11, 2008 | 18 years, 1 month, 14 days old |
| Seonyou | March 20, 2008 | 18 years, 5 days old |
FAQs
How many members are in CLASS:y?
CLASS:y is a 7-member K-pop girl group. The group consists of Hyeju, Hyungseo, Chaewon, Riwon, Jimin, Boeun, and Seonyou.
When did CLASS:y debut?
CLASS:y debuted on May 5, 2022, with their extended play Y: CLASS IS OVER.
