Joint single teaser images of "RBW Brother Group" ONEUS and ONEWE have been released.

ONEUS (Ravn, Seoho, Leedo, Keonhee, Hwanwoong, and Xion) and ONEWE (Yonghoon, Harin, Kanghyun, Dongmyeong and CyA) released teaser images containing the concept of the digital single "STAY" at midnight today (December 15th), raising fans' expectations.

In the photo, ONEUS and ONEWE pose comfortably in a warm and natural atmosphere in a building with natural light. It drew attention by emphasizing boyish beauty with a cute and trendy casual look full of winter sensibility.

In particular, the two groups, which have been in harmony since they were trainees, showed pleasant "Real Chemistry" with playful expressions, adding to the curiosity about the new song "STAY."