[Guess] Who is this "handsome" cinderella?

Do you have any idea who the person in the photo is??

This person's gender is provided on the title,another tip here,he is a member of a group that debuted recently,please make your smart guess!

If you can read Korean,please don't reveal the answer yet,give others a chance ^ ^

He is none other than Boyfriend's pretty boy YoungMin


Congratz to those who answered it correctly!