Highlight's Kikwang will be acting as an employee named Lee Ho Soo at 'Smart Earth' in the year 2037. "I play the role of an employee who loves 'Smart Earth.' He is a character who is sensitive to emotions. I was told that it was one of the most difficult roles to play in this drama," Kikwang shared. Even his co-stars admitted that Kikwang's role as Lee Ho Soo was very difficult to portray. 

Meanwhile, 'Circle' is a science-fiction drama set in the year 2037. The story follows two men who take on various murder cases in the near future as well as traveling through time.  

Fans can catch the first episode when it airs on May 22.

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