ON1 Rookies (온원루키즈) was the official training program under ON1 Entertainment. The program ended sometime mid to late 2024.
Graduated members[]
Graduated members consists of trainees who have debuted into an ON1 Entertainment group or as soloists.
Sweet Villain[]
- Sakurai Suzuka (사쿠라이 스즈카)
- Park Yura (박유라)
- Lee Hadam (이하담)
Burvey[]
- You Yi (유이)
- Jeon Seoyoon (전서윤)
- Shin Yooran (신유란)
- Song Jooha (송주하)
- Park Jooa (박주아)
- (Technically, You Yi, Jeon Seoyoon and Shin Yooran were already members of Burvey despite joining the training program. They resumed their activities after the end of the program.)
Former trainees[]
Past members consist of former trainees who have left ON1 Entertainment or the ON1 Rookies project.
Female[]
- Fujimoto Ayaka (후지모토 아야카) (left approx. 2023)
- Kim Jiyeon (김지연) (left approx. 2023)
- Park Subin (박수빈) (left approx. 2023)
- Park Chanhee (박찬희) (left approx. 2023)
- Akane (아카네) (left approx. 2024)
- Kim Yejin (김예진) (left early 2024)
- Park Seojeong (박서정) (left mid to late 2024)
- Liya (리아) (left mid to late 2024)