Download on iTunes : https://itunes.apple.com/us/album/haengbog-happiness-single/id905840092?ls=1 SMTOWN에서 2년만에 선보이는 신인 Red Velvet (슬기, 아이린, 웬디, 조이)의 데뷔 곡 …
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What makes you happy? Have you ever wondered why? Join us as we take an experimental approach on what makes people happier. Behind the Scenes of the episode!…