행복 (Happiness) - The 1st single
Ice Cream Cake - The 1st Mini Album
Dumb Dumb - The 1st Album 'The Red'
수록곡 'Huff n Puff'
수록곡 'Don't U Wait No More'
수록곡 'Time Slip'
타이틀곡 'Dumb Dumb'
수록곡 'Red Dress'
7월 7일 (One Of These Nights) - The 2nd Mini Album 'The Velvet'
러시안 룰렛 (Russian Roulette) - The 3rd Mini Album
ROOKIE - The 4th Mini Album
Would U - SM STATION
빨간 맛 (Red Flavor) - Summer Mini Album 'The Red Summer'
환생 (Rebirth) - SM STATION
Peek-A-Boo - The 2nd Album 'Perfect Velvet'