Jennie has not officially put Zen on Spotify or Apple Music in all regions yet. To get the "hot" version, fans are turning to MP3 download sites and fan blogs. Because it is scarce, the demand for the direct file is hyper-intense.

Unlike her previous upbeat hits, "ZEN" is an track that serves as a conceptual prelude to her album.

: Described as a "cinematic villain theme song," "ZEN" features an atmospheric, nature-heavy soundscape including owl sounds and mystical tones.