"Fantasy" by ELHAE is a seductive and playful song about exploring sexual desires and fantasies with a partner. The lyrics describe wanting to pleasure and satisfy the partner from head to toe, both in bed and on the floor. The protagonist expresses their admiration for their partner's beauty and suggests that they deserve luxurious experiences, like riding in Porsches or being showcased in portraits. The song also mentions the desire to engage in intimate acts in various locations, such as the Georgia Dome or the DJ booth of a club. The lyrics, filled with mentions of sensual and indulgent imagery like whipped cream and cherries, emphasize the intense desire and pleasure the protagonist and their partner share. The song's mood is one of pure desire and enjoyment, encouraging listeners to live out their fantasies and connect intimately with their partners.