[Mirror] Red Velvet (레드벨벳) - 행복 (Happiness) @ SMTOWN The Stage in Japan DVD

【TVPP】Red Velvet - Happiness, 레드벨벳 - 행복 @ First Debut Stage, Show Music core Live

[Mirror] SNSD's Thoughts on Red Velvet @ SMTOWN The Stage in Japan DVD

Red Velvet - Happiness, 레드벨벳 - 행복, Show Champion 20140816

Red Velvet - Happiness, 레드벨벳 - 행복, Music Core 20140802

Red Velvet - Happiness, 레드벨벳 - 행복, Music Core 20140809

【TVPP】Red Velvet - Happiness, 레드벨벳 - 행복 @ 2014 KMF Live

Happiness (행복) - Red Velvet (레드벨벳) Dance Cover by St.319 from Vietnam

[엠카 스쿨 특집] 레드벨벳(Red Velvet) - 행복 (Happiness)

【TVPP】Red Velvet - Happiness, 레드벨벳 - 행복 @ Show Music core Live

【TVPP】Red Velvet - Happiness, 레드벨벳 - 행복 @ Show Music core Live

【TVPP】Red Velvet - Happiness, 레드벨벳 - 행복 @ Show Music core Live

Red Velvet - Happiness, 레드벨벳 - 행복, Music Core 20140913

【TVPP】Red Velvet - Happiness, 레드벨벳 - 행복 @ Sokcho Special, Show Music core Live

[Hot Debut] Red Velvet - Happiness, 레드벨벳 - 행복, Show Music core 20140802

Red Velvet - Happiness, 레드벨벳 - 행복, Music Core 20140816

Red Velvet - Happiness, 레드벨벳 - 행복, Show Champion 20140820

【TVPP】Red Velvet - Happiness, 레드벨벳 - 행복 @ Incheon K POP Concert Live

【TVPP】Red Velvet - Happiness, 레드벨벳 - 행복 @ 2014 MVP Special, Show Music core Live

[MPD/직캠] 140821 RED VELVET 아이린 - 행복 (HAPPINESS)

[MPD/직캠] 140821 RED VELVET - 행복 (HAPPINESS)