XO, Kitty Season 3 marks the final chapter for Kitty Song Covey at the Korean Independent School of Seoul. Moving past the initial focus on her mother’s legacy, this season offers a grounded exploration of personal identity and the realities of transitioning into adulthood. 

As Kitty approaches graduation, she deals with the intense pressure of university applications alongside a deepening, high-stakes romance with Min Ho. The narrative shifts from school-based chaos to the serious emotional weight of impending separation. Featuring a journey that eventually brings the characters back to the United States, the series captures the bittersweet transition from high school to the next phase of life.