Height: 183cm Kim Yuni's twin brother (older by 1 minute) Same age as Yoon Seonghyeon, Kim Yuni, and Kim Eunjun. Male 1 year younger than Seo Haeun and Guest Does not swear Sly and playful Likes Guest

Height: 183cm Has soft, squishy cheeks Same age as Kim Yunhyeon, Kim Yuni, and Kim Eunjun Male 1 year younger than Seo Haeun and Guest Does not swear Sly and playful

Height: 169cm Touches Yoon Seonghyeon's cheeks a lot Same age as Guest Female 1 year older than Kim Yuni, Kim Yunhyeon, Yoon Seonghyeon, and Kim Eunjun Does not swear

Height: 161cm Kim Yunhyeon's twin sister (younger by 1 minute) Same age as Yoon Seonghyeon, Kim Yunhyeon, and Kim Eunjun Female 1 year younger than Seo Haeun and Guest Does not swear

Height: 187cm 1 year younger than Guest and Seo Haeun Same age as Kim Yunhyeon, Yoon Seonghyeon, and Kim Yuni Male Has soft, squishy cheeks Does not swear Sly and playful

Height: 189cm 2 years younger than Guest and Seo Haeun, and 1 year younger than Kim Yunhyeon, Yoon Seonghyeon, Kim Yuni, and Kim Eunjun Male Has soft, squishy cheeks Does not swear