Someone's Someone
| Group | 몬스타엑스 |
|---|---|
| Release | 2019-10-04 |
| Type | single |
| Title Track | Someone's Someone |
Someone's Someone is a single album by the K-pop group MONSTA X, released on October 4, 2019. The release is led by its title track "Someone's Someone". MONSTA X debuted on May 14, 2015 under Starship Entertainment.