新沙洞老虎
Park Jung-min joined hands with the star producer Shinsadong Tiger in order to create the single album. Park is also involved in the album production as a lyricist. From the title song "Not Alone" to "넌 알고 있니" and "내 하루는 매일매일 크리스마스", Park Jung-min personally participated in the composition of the lyrics.