The group continues their image as a self-producing idol group, as each song on the album was produced by the members and all members are credited as writers and producers. The songs on the album are filled with messages aimed to excite, comfort, encourage, and give hope to the listeners.
Songs "Sha La La" is a
future house track with elements of
hip hop and
rock. The Korean title (신토불이) is an abbreviation of the phrase "신나는 토요일 불타는 이밤", which translates to "let’s light up this Saturday night". The song contains witty lyrics and dynamic dance sounds that aim to ease stress.
Billboard highlighted the track's "vibrant soundscape that puts the emphasis on Pentagon’s multi-faceted vocal delivery". Leader Hui said, "You might have moments of stress and feelings of suffocation on your way from work and in school. I wrote the song to resolve them". "Lost Paradise (Hip Hop Unit)" is a dark
hip hop track sung by
Hui,
Yuto,
Kino, and
Wooseok, all of whom wrote and composed the song. The members tell their past selves that they are too young to be worried about failure. The tracks spreads the hopeful message that, regardless of one's struggles, a paradise exists within one's self. "Till... (Ballad Unit)" is a
ballad sung by
Jinho,
Hongseok, Shinwon,
Yeo One, and Yan An. The piano sounds at the beginning and the full band towards the end enhance the song's theme of perseverance. "Alien" is a witty hip hop track wherein Pentagon expresses their wishes to become a group with a unique, alien-like personality. "Spring Snow" is happy, exciting
alternative rock song about the group's experience during the spring of 2018. In the final track, "Round 1", the members playfully
diss each other with
inside jokes. Every member of Pentagon had a hand in writing and producing the song. == Track listing ==