XO, Kitty follows matchmaker Kitty Song Covey as she moves to South Korea to attend her late mother's elite boarding school (KISS) and reunite with her long-distance boyfriend, Dae. Her plans unravel as she discovers Dae is fake-dating wealthy student Jade Nelson to pay his tuition, leading to love triangles, self-discovery, expulsions, and complicated family secrets involving her mom's past and Jade family, ultimately revealing her own bisexuality and shifting romantic interests, especially towards Jade and Minho, ending Season 2 with a cliffhanger about her future. it also focuses on the difference between Jade and Kitty and Minho and Kitty. Kitty needs to pick one.