K-pop group Bangtan Boys (Yonhap Photo)

K-pop group Bangtan Boys, also known as BTS, released the track list for their new album “Wings: You Never Walk Alone” on Tuesday.

The track list was unveiled on their official website and other social media channels.

Their new single, due to be released Feb. 13, has 18 songs with four new additions: “Spring days,” “Not today,” “Outro: Wings” and “A supplementary story: you never walk alone.”

Big Hit Entertainment said the new album is both a follow-up and extended version of BTS’s previous album “Wings,” which was released in October.

The group members took part in writing the songs and lyrics, according to sources.

On Feb. 18-19, the group will hold a concert, titled, “2017 BTS Live Trilogy Episode III Wings Tour in Seoul” at the Gocheok Sky Dome in southwestern Seoul.

By Joel Lee (joel@heraldcorp.com)