TO1 have finished unveiling a fun and playful set of 'Play' version concept teasers for their comeback mini album, 'Why Not??'!

The group's first official comeback after several member changes including the addition ot new members Daigo, Renta, and Yeojeong, TO1's 3rd mini album 'Why Not??' captures the boy group's bold and confident sound and energy. The mini album's title track is "Drummin'", a funk pop genre with lyrics comparing one's rapid heartbeat to the sounds of drums.

Check out TO1's unit, group, and individual 'Play' version teaser images for 'Why Not??', below! The team is scheduled to make their full comeback on July 28 at 6 PM KST.