Round 1 duet: A Little Girl - Lee Moon Se/Oh Hyuk (OST Reply 1988)
Sexy dance... lmao
Round 2: Beautiful - Crush (OST Goblin)
Round 3: Time Walking on Memories - Nell
He trended on Naver as he won by a landslide (around 70-20) each time, all the way up to the 3rd round to challenge the current king. The king was able to keep her throne so Doyoung was unmasked.
He also vlogged about his preparation for the show, practicing in the middle of a world tour.
Source: @MBC_entertain, MBCentertainment 1, 2, 3, 4, 5, NCT DAILY
He did very well and got a lot of praises, so proud of him! He worked so hard practicing for this while still touring. My favorite was when he sang Beautiful :')