", "You Know", and "모르는 척" ("Pretend"; Moreuneun Cheog), all of which were later included on the full-length 4Minutes Left album.

[2] The video starts with member Hyuna and her boyfriend (Jung-shin) sitting on a couch and talking; she notices how much he has changed, but he stands up and walks off.

She and 4Minute then plan all sorts of mischief for revenge including spraying his sandwich, replacing his toothpaste and shaving cream with other creams, delivering inappropriate items to his workplace, making his car not start, dropping a large fake spider while he is sitting on the couch, and getting him arrested using edited photos.

[6] The full-length album 4Minutes Left was released on April 5, 2011 in CD and digital formats.

The girls in the first part of the song, sings in a black and white background with geometrical shapes.

By the second chorus the girls then are seen in a street with lights and an orange sky serving as backgrounds.