Actor Lee Jong Suk has revealed a photo taken with his co-stars on the set of KBS's Monday-Tuesday drama 'School 2013'.

On the afternoon of December 5th, Lee Jong Suk updated his me2day with the post, "It's late... I need to sleep.. When will today end.. Have strength guys..," and uploaded the photo he took with Kwak Jung Wook, Hyoyoung, and Kim Young Choon.

Fans responded to the photo with comments like, "Lee Jong Suk fighting!", "I've been tuning in to the drama", "Although you guys all must be very tired, cheer up!" and more.

Meanwhile, 'School 2013' has been gaining high praises and interest from viewers for its realistic portrayal of school problems. The drama premiered on December 3rd and recorded a viewer rating of 8%.