TO1 have revealed the full track list for their 3rd mini album, 'Why Not??'.

The album contains a total of 5 tracks including "Boom Pow", title track "Drummin'", "What A Beautiful Day", "Sugar Shock", and "Butterflies". Next week, TO1 plan to release a series of 'Play' version teaser images to raise further anticipation for their comeback.

TO1's full comeback with 'Why Not??' is set for July 28 at 6 PM KST.