Yoon Seo Bin - How could I live without you (OST Kissable Lips Part.4)
Yoon Seo Bin - 여기 있을게 (Here I Am) (OST Kissable Lips Part.3)
Yoon Seo Bin - Dreaming (OST Summer Guys Part.3)
Yoon Seo Bin - Yellow light (OST Touch Me If You Can)