As Lifting the Left Foot (with 천인자 & 김선영)认领

Freeze (with 천인자 & 김선영)

Glasses (with 천인자 & 김선영)

Grandpa and a Tree (with 천인자 & 김선영)

Fly, Rocket (with 천인자 & 김선영)

Handsome Snowman (with 천인자 & 김선영)

Fun Dance (with 천인자 & 김선영)

Two of Us Secretly (with 천인자 & 김선영)

Getting to Know The Numbers (with 천인자 & 김선영)

Shall We Dance (with 천인자 & 김선영)

As Raising Your Both Hands (with 천인자 & 김선영)