Special Live 2016: Your Choice! King of Mask Singer (2016)
Sandeul also appeared on the special episode during the “2016 DMC Festival”. This is an annual festival celebrating the best of the Hallyu wave. The episode was aired on October 5,2016. The special edition brought back contestants that had been eliminated in previous episodes, and a special Mask King was chosen from live voting. Sandeul was one of the contestants that returned for this episode. He changed his name to Heart Attack Cupid and was dressed all in pink, from the mask to the bottom. The Mask King of this episode would have a battle on episode 84.