He'll be acting in the new KBS 2TV Wednesday-Thursday drama 'Queen of 7 Days', about a queen (played by Park Min Young) who held her reign for only 7 days, the shortest in Chosun history. She'll have a love triangle with Yeon Woo Jin and Lee Dong Gun.
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Chansung will be playing the best friend of Yeon Woo Jin's character, who pledges loyalty after Yeon Woo Jin saves Chansung when they were both young. It'll be Chansung's first time trying out a historical role.
The drama will start airing on May 31!