The album has incorporated various genres such as
funk-pop,
synth-pop, and
pop-R&B. During the release showcase, it was revealed that the EP continues the groups story line developed through their previous EPs, with "the six tracks tell[ing] the story of what happened on the day Billie disappeared". "Enchanted Night ~ 白夜" is an alternative
disco-pop song, with a
neo-funk style, danceable and groovy track with
analog synth elements. The song is based on the original story of the same name by
Steven Millhauser, describing the feeling of going for a stroll in the night and sharing stories with friends when young. "Lion Heart (The Real Me)" is a fusion of
moombahton and
reggaeton, with a
latin hip-hop beat. The song is said to contain the message that "courage comes from the heart, not the head". The lead single "Eunoia" is described as an alternative
funk pop track that combines the elements of
synth wave,
disco, and
G-funk with an overall
hip-hop theme. The title of the song is derived from the Greek word
εὔνοιᾰ, which the group interpreted as "we all have mixed feelings about the world, and we must recognise and embrace that ambivalence in order to become our true selves". "Various and Precious (Moment of Inertia)" combines
nu jazz and
80's synth pop elements. The song is dedicated to Billlie's
fandom Belllie've, with all members participating in writing lyrics. The title of the song is taken from the concept of the
moment of inertia, expressing the organic relationship between Billlie and Belllie've. "Extra-Ordinary" is a neo-funk song with
UK acid jazz bass leading the song. The song is from a
first person perspective, showing the character Billie confessing their worries and feelings to the narrator. "Nevertheless" combines
alternative R&B and
neo soul elements, with the song having an emphasis on the members vocal abilities, featuring a complex
top-line and
harmonies. == Promotion ==