The album debuted at number 2 on South Korea's Gaon Albums Chart and has sold at least 60,456 copies to date. Seohyun wrote the lyrics to the title track "Dear Santa". That show is the inspiration for 2019's Dear Santa…, an EP that's the trio's first recording in five years.
Girls' Generation-TTS đã quảng bá cho album bằng việc biểu diễn "Dear Santa" và một số bài hát khác trên các chương trình truyền hình âm nhạc. Some footage of the album preparation was also shown. In December 2015, TTS released their third EP, a Christmas special album titled Dear Santa.