The idol who hid her true identity with an alter ego called Autumn Fragrance, shocking the panelists and the audience on the September 4 episode of 'Mask King.'

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During the first round, Autumn Fragrance went up against Literary Girl, singing a duet to Orange Caramel's "Aing." Sadly for Autumn Fragrance, Literary Girl earned nearly twice as many votes as she did. 

When Autumn Fragrance removed her mask, it was none other than Nine Muses' Kyung Li! The idol belted to Wax's "Mother's Diary" for her final solo stage on the show, prompting everyone to drop their jaws in awe.

You can take a look at the performance for yourself in the video clip provided above!