Korean media outlet Doyouram covers casting stories of STAYC members, which led to a miracle.

Doyouram revealed which member from the rookie development team of the previous agency traveled all over Korea, and which member surprised Black Eyed Pilseung's Rado so much with her unique vocal tone that he signed her right away.

You can watch the whole video above, don't forget to click CC to turn English captions on.