Hyolyn (효린 of SISTAR) X JooYoung (주영) (feat. Iron) - 지워(Erase)
Hyolyn X JooYoung Feat. Iron - Erase
효린 (Hyolyn) X 주영 (JooYoung) - 지워 (Erase) feat. Iron
Hyorin (효린 of SISTAR) (Hyolyn) X JooYoung (주영) (feat. Iron) - 지워(Erase)