| Origin | Seoul, South Korea |
| Debut | December 2, 2020 (Single: “Step and a Step“) |
| Members | Mako Rio Maya Riku Ayaka Mayuka Rima Miihi Nina |
Mako
| Full Name | Yamaguchi Mako |
| Birthday | April 4, 2001 |
| Birthplace | Fukuoka, Japan |
| Age | 23 years and 8 months old |
| Height | 5’3″ (159 cm) |
Rio
| Full Name | Hanabashi Rio |
| Birthday | February 4, 2002 |
| Birthplace | Aichi Prefecture, Nagoya, Japan |
| Age | 22 years and 10 months old |
| Height | 5’3″ (159 cm) |
Maya
| Full Name | Katsumura Maya |
| Birthday | April 8, 2002 |
| Birthplace | Ishikawa Prefecture, Hakusan City, Japan |
| Age | 22 years and 8 months old |
| Height | 5’2″ (158 cm) |
Riku
| Full Name | Oe Riku |
| Birthday | October 26, 2002 |
| Birthplace | Kyoto, Japan |
| Age | 22 years and 1 month old |
| Height | 5’4″ (162 cm) |
Ayaka
| Full Name | Arai Ayaka |
| Birthday | June 20, 2003 |
| Birthplace | Tokyo, Japan |
| Age | 21 years and 6 months old |
| Height | 5’6″ (167 cm) |
Mayuka
| Full Name | Ogou Mayuka |
| Birthday | November 13, 2003 |
| Birthplace | Kyoto, Japan |
| Age | 21 years and 1 month old |
| Height | 5’3″ (159 cm) |
Rima
| Full Name | Nakabayashi Rima |
| Birthday | March 26, 2004 |
| Birthplace | Tokyo, Japan |
| Age | 20 years and 8 months old |
| Height | 5’3″ (160 cm) |
Miihi
| Full Name | Suzuno Miihi |
| Birthday | August 12, 2004 |
| Birthplace | Kyoto, Japan |
| Age | 20 years and 4 months old |
| Height | 5’3″ (159 cm) |
Nina
| Full Name | Makino Nina |
| Birthday | February 27, 2005 |
| Birthplace | Seattle, Washington, United States |
| Age | 19 years and 9 months old |
| Height | 5’7″ (171 cm) |
