The song "Pretty Girl hi!" by UMI is about the feeling of infatuation and the desire to be in a romantic relationship with someone. The lyrics describe a person feeling a strong attraction towards someone, acknowledging their beauty and wanting to be with them. The song begins with the artist mentioning the absence of obstacles in their emotions, feeling a weightless resistance in the air. They remember the person they are attracted to telling lies, and they express their desire to make the person realize their true intentions and likeability. UMI then imagines a scenario where they could be together, dancing in comfortable clothes and enjoying each other's company. They talk about smoking and getting lost in their thoughts, wishing for a better dream. The artist refers to themselves as a butterfly, a Gemini, and sees the person they desire as a pretty girl, highlighting their attraction. The chorus repeats the longing for the person to belong to them, expressing the wish that they could be together. The repetition of the phrase "You could be mine" emphasizes the artist's desire for a romantic relationship. Overall, "Pretty Girl hi!" is a song about infatuation, attraction, and the longing for a romantic connection with someone. The lyrics portray the artist's yearning to be with the object of their affection and their hope for a mutual attraction.