CSR have dropped their music video teaser for "♡TiCON".

The MV teaser reveals an energetic theme as the CSR members run down the hallways of school. "♡TiCON" is the title song of the group's 1st single album 'Sequence: 17&!', which is set to drop on November 17 KST.

Watch CSR's MV teaser above, and let us know what you think in the comments below.