Scop's fourteenth song, Yubikiri was uploaded onto Niconico Douga on April 28, 2010. Since then, it has entered the Hall of Legend, having reached over 1,060,000 views. The song is also based on a tradition of pinky swear in Japan named after the song, Yubikiri means "finger cut-off" wherein, if a one person breaks the promise they did with the other person that was sealed by doing a pinky swear, must cut their pinky finger. This song is featured in the game Hatsune Miku -Project DIVA- F 2nd.