ATBO is only days away from their official debut!

On July 25 KST, IST Entertainment unveiled the music video teaser for ATBO's debut single "Monochrome (Color)," the title track off of their 1st mini album 'The Beginning: 開花.' The clip starts off with a sample of the song's serene R&B track before moving into the song's hook, giving fans a glimpse of the members performing the song's official choreography.

Meanwhile, 'The Beginning: 開花' is set for release on July 27.

Check out the full teaser above!