The Identity of Nagolatsu was revealed as Wanna One Yoon Ji-sung.
On the 13th, MBC's King of Mask Singer featured a true match between four masked singers who challenged the Kawang Eagle Gun.
In the first round of the second round, Nagolatsu and the wind were played. Nagolatsu selected Crush's Sofa, and showed a stage that captivated his ears with his sad emotions and appealing voice.
The wind lamp against this was selected by Davichi’s “Don’t Say Hi.” She shot her girlfriend with a sweet husky voice and emotional vocals.
With the wind lamps advancing into the next round, Nagolatsu revealed his Identity; Nagolatsu was revealed as Wanna One's Yoon Ji-sung.