365 Practice (365일 매일) is a female trainee group under RBW. Part of the agency's RBW-I trainee program, 365 Practice originally began as a YouTube channel to highlight a number of RBW's trainees and therefore a rotating line up of trainees can be viewed on their official channel. It morphed into a channel to promote their upcoming, as yet unnamed, 6 member girl group.
|Lee Ye Sol (이예솔; Yesol)||Vocal, dance||2018–present|
|Park Ji Eun (박지은; Jieun)||Vocal||2018–present|
|Na Go Eun (나고은; Goeun)||Vocal||2018–present|
|Jang Eun Seong (장은성; Eunseong)||Vocal, dance, rap||2018–present|
|Mori Koyuki (もうりこゆき; Yuki)||2018–present|
|Park Su Jin (박수진; Sujin)||Vocal||2018–present|
|Kim Young Seo (김영서)||2018|
|Kim Sung Eun (김성은)||2018|
|Jung Do Hae (정도해)||2018|
|Mo Mo (모모)||2018|
|Seo Ji Heun (서지흔)||2018|
- Goeun and Jieun were former contestants on Produce 48.
- Eunseong and Yesol were former contestants on MIXNINE.
- Sujin is most notable for singing the guides for MAMAMOO's "Wind Flower" and Chung Ha's "Snapping".
- 365 Practice