The lead single "Chill Kill" is a pop dance song characterized by "heavy bass, string melodies, dreamy synths, and bell rhythm" with lyrics "expressing the narrative of a love affair and longing for the other person even in the midst of tragedy when the quiet world was turned upside down".

is a dance song characterized by "the combination of sharp string rhythm and mysterious bell sounds with heavy bass" with lyrics "depicting the moment of falling into a sweet and dizzying game of tag in a dream that begins with a knock on the door".

[12] The third track "Underwater" adopts a "slow-tempo" R&B vibe, characterized by "heavy and groovy bass, and dreamy synth rhythm" with lyrics about "comparing the infinite love to distant deep water".

features "energetic beats and synth drop" with lyrics having the theme of "moving forward with a calm and positive attitude in any situation".

[12] The eighth track "Bulldozer" is a dance song featuring "heavy and powerful bass, and catchy sound effects" with lyrics "expressing the attitude of not stopping, and breaking it if someone sets a limit or blocks it".

[13] For the tenth and final track "Scenery" was described as a ballad song highlighted by "gentle guitar melody" with lyrics narrating "a simple story about drawing the precious memories accumulated over a long time like a landscape painting of the four seasons by filling each day together".

The publication called the track "Will I Ever See You Again" "a Technicolor dream woven with dancing synths" and referred to "Underwater" as "one of Red Velvet's most satisfyingly sultry moments.