BGM :
라이머 (Rhymer) & 소울스타 (Soulstar) - 세상에 눈이 내리면
IU (아이유) & Na Yoon Kwon (나윤권) - It's First Love (첫사랑이죠)

CREDIT pic clip subtitle : mrseople, soshisubs, chineses sub, fancam shinee, fancam oneday, fancam and sub etc..,