TO1 have dropped a quirky MV teaser for their comeback title track "Drummin'". 

TO1's comeback mini album 'Why Not??' poses the question of what's impossible in this world when you have passion and creativity. The group's title track "Drummin'" is a dance funk genre and compares the beating of one's heart to the sound of drums.

TO1's 3rd mini album 'Why Not??' is set for release on July 28 at 6 PM KST.