On the October 15 airing of 'Weekly Idol', rookie girl group Red Velvet showed off their adorable preppy charms, gaining love from the two MCs, Defconn and Jung Hyung Don. 

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Prior to bringing in the Red Velvet girls, Defconn revealed that Super Junior's Heechul had sent him a message, saying, "Hyung, please take care of my girls," sending support to his fellow junior idol group.

While explaining the most important point in their choreography for "Happiness", the girls happily reenacted the beginning part of the song where the members turn around with a "booya!"

The studio was soon filled with happiness and laughter, and the two MCs could not stop from squealing out, "It's so cute!" as they watched the girls put on their little antics during the 'random play dance.'

While talking about their individual profiles, it was revealed that Irene was a former ulzzang and there were people who would travel far just to get a glimpse of Irene. Irene then blushed and said, "It wasn't that great." 

But when Defconn nudged at her and said, "You have to brag about things like this," to which Irene stated, "When there are things like the placement test at school, people would come and see me through the windows." 

Irene also pointed out that her charming points are her eyes and flaunted them towards the camera for the viewers and MCs to see.