King of Mask Singer is a popular television singing competition that originated in South Korea. Contestants perform while wearing elaborate masks and costumes, concealing their identities. The show features a panel of celebrity judges who guess the performers' identities based on their singing and clues provided during the episodes. Each week, contestants face off in duels, and the audience votes for their favorites. The singer with the fewest votes is unmasked and revealed to the audience and judges. The competition continues until one contestant is crowned the King of Mask Singer, showcasing their talent while maintaining an air of mystery.