2Up – 있어줄게 (Stay With U) (Bois) (Feat. 시진)
Track 01 from Single "있어줄게 (Stay With U)"
Release Date: 2015.10.05
2Up – 너만 있으면
Track 01 from Single "너만 있으면"
Release Date: 2016.07.28
2Up – House Rabbit Christmas
Track 01 from Single "House Rabbit Christmas"
Release Date: 2015.12.07