Fans of boy group B1A4 are going crazy over rapper Baro's little sister, Cha Yoon Ji.

On December 31, the B1A4 member revealed a cute picture of himself with his little sister on his official Instagram. Attached to the video Baro comments, "My sister. My mischievous younger sister with straight hair." The two show off their family resemblance, even making the same face towards the camera.

His sister immediately attracted attention for her fair skin, clear face, and long hair. "She's pretty but Baro also said that she's really nice. Hopefully her debut's soon," one Korean user commented according to Netizenbuzz.

"I want her to debut and see them on broadcast together soon!" Another exclaimed.

According to OSEN, after Baro's reveal many online communities started to search up for more information about his sister. Amidst the hype, B1A4's agency WM Entertainment spoke up to comment on her current status as a trainee. "She is currently receiving training from our agency and is showing exceptional talent. Please anticipate her debut," the company stated.

Although she was not included as a member of B1A4's first sister group Oh My Girl, it seems that WM Entertainment has some exciting plans for her debut. Until then, we're excited to see her and her idol brother continue to get along cutely.