The song "Upgrade" by Joji talks about a complicated relationship and the desire for improvement or change. The lyrics suggest that the narrator is longing for a more honest and authentic connection with their partner. They describe the need for a second chance to make things right. The line "Guess I'm flyin' international" could be seen as a metaphor for exploring new possibilities and reaching a higher level of understanding and communication. The mention of meeting at the oriental implies a desire to let go of any lies or deceptions and have a sincere connection. The narrator acknowledges their own growth and maturity, stating "Now I'm so professional." They express the desire for their partner to upgrade or improve themselves, recognizing their worth and deserving better. The chorus emphasizes the confusing nature of their relationship, admitting that it doesn't make sense. Despite this, they propose that if their partner chooses to be with them, they can keep their relationship optional. Overall, the song expresses the longing for a better, more genuine connection with a partner and the willingness to work towards an upgraded version of their relationship.