Seo Kang Joon is not your ordinary younger brother – he is known as South Korea’s new sweetheart. Watch a new interview in which he reveals his ideal type and practices his aegyo.

Seo Kang Joon plays the role of Kuk Seung Hyun in Sly and Single Again, an attractive young man who protects and caters to Na Ae Ra (played by Lee Min Jung), and is now in the new reality show Roommate. He says that Kuk Seung Hyun’s personality is very much like his own in that they both are bright, humorous, and honest.

Learn more about him: