Yeonhui - 호수 (Lake) (Feat. Millez)
Yeonhui - 마침표 (Full Stop) (Feat. soO)
Yeonhui - 머무르곤 (Feat. ChaeEun)
Yeonhui - 그래서 난 (So I) (Feat. soO)
Yeonhui - 너마저 잃어버린 하루에서 (A day that even you lost) (Feat. ByulHa)