As a throwback, Highlight introduced themselves using their former group name B2ST. �With that, MC Jung Hyung Don gave each member a nickname. �Starting with Doojoon as 'LED', Yoseob as 'Little Lightbulb', Kikwang as 'Convex Lenses,' Dongwoon as 'Flashlight,' and Junhyung as 'Mood Light'.

Afterward, the boys danced to their new song "Plz Don't Be Sad" and the songs they promoted as B2ST in the past at 2x the speed. Unfortunately, they messed up... a lot...�

Check out the funny videos below!

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