Lee Seung Gi performs together with Ham Choonho and Jung Sungha on Sketchbook

Lee Seung Gi performs together with Ham Choonho and Jung Sungha on Sketchbook

Son Dam Bi reveals her ideal type

Son Dam Bi reveals her ideal type

Ailee covers Gdragon's Crayon

Ailee covers Gdragon's Crayon

Girl's Day performs "Don't Forget Me" on YHY Sketchbook

Girl's Day performs "Don't Forget Me" on YHY Sketchbook