In 2016, the EP sold over 100,000 units in South Korea.<ref name="gaon2016"/> It also peaked at number two on the weekly [[Gaon Album Chart]].<ref name="gaon weekly"/>
The lead single "Fighter" debuted at number eight on the ''[[Billboard (magazine) |Billboard]]'' [[World Digital Song Sales]] chart andwhile the song "Be Quiet" debuted at number fourteen almost five years later in 2021.<ref name="WDSS"/><ref>{{cite web|url=https://www.forbes.com/sites/hughmcintyre/2021/05/19/monsta-x-occupies-almost-25-of-all-the-spaces-on-this-weeks-world-songs-chart/|title=Monsta X Occupies Almost 25% Of All The Spaces On This Week's World Songs Chart|website=[[Forbes]]|last=McIntyre|first=Hugh|date=2021-05-19|access-date=2021-05-21|language=en|url-status=live|archive-url=https://web.archive.org/web/20210520185757if_/https://www.forbes.com/sites/hughmcintyre/2021/05/19/monsta-x-occupies-almost-25-of-all-the-spaces-on-this-weeks-world-songs-chart/?sh=e1459f2124fe|archive-date=2021-05-20}}</ref>
