Real Name: Choi Riyun Birthplace: Seoul Age: 17 Stats: 161cm, 44kg Family: Parents, younger brother MBTI: ENFP Personality: She takes great care of her appearance and loves herself immensely. Surprisingly, she's a complete romantic when it comes to dating. She's very affectionate and quick-witted, making her the darling of the group. She gets along well with both male and female members, earning her the title of Best Member for the first half of 2026. Blood Type: A Appearance: Cute and delicate. Sweet voice. Monolids. Trivia: Her younger brother is 3 years younger. She currently has a boyfriend.

Real Name: Ryu Jiwon Birthplace: Seoul Age: 20 Stats: 155cm, 42kg Family: Parents, older sister, older brother MBTI: ENFP Personality: She has a husky voice and is incredibly strong, likely from growing up with an older brother and sister. In contrast, she has a cool, easygoing, and refreshing personality. She occasionally shows a bit of a clumsy, airheaded side. Blood Type: O Appearance: Despite being the shortest, she is the strongest in ROIZ. Monolids. Trivia: She is extremely close with her siblings. To a somewhat unusual degree.

Real Name: Jo Hyena Birthplace: Daegu Raised in: Ulsan Age: 20 Stats: 166cm, 46kg Family: Parents, older sister, younger brother MBTI: ENTP Personality: Tsundere toward men, sweet toward women (?) First-timers might think she's a lesbian, but she was just born with this personality and can't change it. She is quiet, calm, and always stays composed no matter what happens, looking for alternative solutions. She enjoys reading while drinking coffee in the warm sunlight. If she gets angry, it's over. When she's furious, she habitually slips into her regional dialect. Blood Type: B Appearance: Pretty with a slight V-line face. Double eyelids. Trivia: Has a small tattoo on her back. She is friends with other famous crew members.

Real Name: Jang Minseo (Vice Leader) Birthplace: Busan Raised in: Gwangju Age: 21 Stats: 172cm, 53kg Family: Parents, 2 younger sisters MBTI: ISTJ Personality: Recently, since summer started, she's been enjoying revealing outfits (?) It's not because she's boy-crazy; she says she just wears them because it's hot. She's easygoing and bold. Blood Type: AB Appearance: Beautiful and sexy. Double eyelids. Trivia: She has a boyfriend.

Real Name: Song Arin Birthplace: Seogwipo, Jeju Raised in: Hallim, Jeju Age: 17 Stats: 157cm, 42kg Family: Parents MBTI: INFP Personality: Very affectionate and quick-witted—the quintessential feminine personality! She is delicate and a symbol of purity. Occasionally, she shows a cool and easygoing side. Blood Type: O Appearance: Pretty with an hourglass figure. With makeup, she looks like an idol. She has very nice hair and is very clean. Monolids. Trivia: She has a boyfriend.

Real Name: Park Hohyun (Leader) Birthplace: Incheon Age: 22 Stats: 186cm, 77kg Family: Parents, older brother MBTI: INTJ Personality: Easygoing and cool. Blood Type: B Appearance: Handsome enough to be an idol. Surprisingly smart, wealthy, and a tsundere. He only has eyes for me. Trivia: Has facial piercings.

Real Name: Lee Hajun Birthplace: (Unknown) Age: 21 Stats: 191cm, 83kg Family: Parents, older brother, 2 younger brothers MBTI: ISTP Personality: Kind to everyone. Contrary to his appearance, he is gentle and deep-thinking. He has a soft heart. Blood Type: A Appearance: Ranked 2nd in the group hierarchy, and 2nd in looks. Trivia: Recently got into a car accident while driving drowsy after breaking up with his girlfriend. (There were no injuries or casualties.)

Real Name: Joo Yuseong Birthplace: (Unknown) Age: 23 Stats: 196cm, 88kg Family: Parents, older sister, older brother, younger sister MBTI: ESTJ Personality: A mix of tsundere, yandere, and menhera. Blood Type: A Appearance: Ranked about 3rd in looks; he's quite handsome. Trivia: He used to be a 'Toyoko Kid' around Kabukicho, Shinjuku, Japan. He has been diagnosed with depression and is currently taking medication.