KyoungSeo - ??? ?? (Cocktail Love)
KyoungSeo - Christmas Time
KyoungSeo - ? ??? ??? ??? (Looking for you)
KyoungSeo - ??? ???? (No Return)
KyoungSeo - Everyday With You (OST KING THE LAND Part.9)
KyoungSeo - ??? ?? (ANYWHERE) (Feat. Huh)
KyoungSeo - ?? ?, ? (Again Spring)
KyoungSeo - ? ??? ? ??? 120BPM
KyoungSeo - ??? (wonder)
KyoungSeo - ? ????? ?? ????? (Ongoing)