Back Number - Christmas Song

Back Number's 14th single, "Christmas Song" (Regular Edition), follows a string of major hits including "Heroine," featured in the 2015 JR SKISKI commercial, "SISTER," used in the Otsuka Pharmaceutical Pocari Sweat Ion Water commercial, and "Tegami," featured in an NTT DOCOMO commercial. Produced by Takeshi Kobayashi, "Christmas Song" is a mid-tempo ballad that served as the theme song for the Fuji TV Monday 9 PM drama 5?9: Watashi ni Koishita Obosan (From Five to Nine). This regular edition also includes two additional coupling tracks.