Actor Lee Jong Suk's charisma exploded.

On the upcoming new KBS drama "School 2013," Lee Jong Suk and Kwak Jung Wook were seen in conflict.

In the revealed photo, Lee Jong Suk is looking at Kwak Jung Wook with incredible anger and is holding a chair as if he'll hit Kwak Jung Wook. The tension between the two of them is palpable in the photo.

Kwak Jung Wook plays Victory High School's top "jjang" which means the best fighter and the most feared. The high school is also taking drastic measures to make the school better and what this will do to the possible fight occurring between them could be interesting.

One insider said, "The tension between the two of them will entice the viewers and their curiosity."

"School 2013" will begin airing in December 3rd.