SEE ALSO: Seoul Philharmonic Orchestra reveals dramatic MV for Red Velvet's 'Psycho'

The group took on a cute school girl-esque theme with this one, and the fans must be loving it even though it's a new concept for Red Velvet. The girls rock this concept to a song that is easy on the ears, a killer combo that shoots arrows straight through K-Pop fans' hearts.

Take another listen (and more) above!