Sully of K-Pop idol group f(x) is seen dressed as a guy!

Recently in an online community, a set of photos were released that sparked a lot of interest among online viewers. The two photos that have been revealed show Sully on the set of a drama looking like a guy.

The photos that have been release are reported to be from behind the scenes of upcoming SBS drama "Wonderful You." In the photos, Sully is filming the scene where her character pretends to be a guy.

Sully can be seen sporting a short hairstyle in order to take on the character in the drama. These photos drew attention as Sully's natural beauty still shines through even though she is dressed and styled as a guy.

Meanwhile, in the upcoming drama "Wonderful You," Sully will co-star with Minho of SHINee. SBS "Wonderful You" will begin airing next month after the finale of "Ghost."

As Sulli is cast to be the main lead female, Shinee's Minho is cast to be the main male lead role. The drama will air after drama "Phantom" finishes airing next month.