MONSTA X have unveiled the MV teaser for their upcoming new English single, "One Day". 

A meaningful comeback single featuring all 6 members of MONSTA X, "One Day" will mark the group's first all-English music release in approximately a year and six months, after their 1st full English album 'All About Luv'.

In the MV teaser, the members look up to a hopeful night sky lit up by fireworks, the footage accompanied by a soothing, medium-tempo beat. 

MONSTA X's "One Day" is set for release worldwide on September 10!