The new girl group G-Friend revealed their unique "parallel theory," catching much attention.

On January 23, G-Friend posted on their Twitter, "Do you know of G-Friend's parallel theory? For fans waiting for Music Bank! We are revealing the parallel theory line of G-Friend members right now. The body line, Eunbi line, and birthday line (cutie line)" along with pictures.

In the pictures, the body line Sowon and Yoojoo, the Eunbi line Eunha and Sinbi, and the cutie birthday line Umji and Yerin are paired up and are posing for the camera together.

G-Friend released their debut song "Glass Bead" on January 15 and has been rising as the new girl group of the year.