Andouble's Zhang Hao & Han Yujin look so pretty in their school uniforms

Andouble's Zhang Hao & Han Yujin look so pretty in their school uniforms

Hao and Yujin uploaded a selfie they took during the filming of Knowing Bros, where they appeared in school uniforms.

She has such pretty visuals, but I think she looks even better and prettier in a school uniform!