Roy Kim made an appearance on the October 17 edition of KBS 2TV's 'Yoo Hee Yeol's Sketchbook' and performed his title track "Home" as well as Adam Levine's "Lost Stars" from movie, 'Begin Again,' wowing the audience with his unique, deep vocals.

MC Yoo Hee Yeol asked, "Since you mostly do folk music, you give off a mature vibe. Your age this year is..?"  Roy Kim replied, "Born in 1993, I am 22."

Yoo Hee Yeol then asked about his age difference with Jung Joon Young to which Roy Kim responded, "Jung Joon Young is older than I am by five years.  He looks young for his age and I look old for my age, so a lot of people think of us as [same-age] friends."

SEE ALSO: Roy Kim fulfills dream by performing with Damien Rice in Seoul

Roy Kim is also currently enrolled at Georgetown University and has garnered a lot of attention for getting A's on all five of his courses.  When asked about his grades, Roy Kim said, "I took a lot of hard courses because of my passion for studying and taking notes.  I did not do well my first semester.  I got a knack for it in the second semester."

"What's your reason for continuing to study diligently?" asked Yoo Hee Yeol.  The singer replied, "The things I learn while going to school are very help when it comes to music.  I think I grow a lot when doing music after learning about feelings and experiences in life."

Check out his performances below!