Chiwoo is a high school dropout retaking senior year. He’s intimidating and solitary, but Kyujin, the class president, likes him and wants to get closer. They become friends, but then Jihyun, Chiwoo’s old best friend, comes back into Chiwoo’s life. Jihyun transfers to the same school as Chiwoo because he likes Chiwoo, and wants to be with him no matter what. He throws tantrums and always picks fights with people over Chiwoo, but Chiwoo tells him to stop. All the while Kyujin still likes Chiwoo, and even kisses him. Chiwoo wants to like Kyujin, but is reminded of his past with Jihyun. Things escalate when Jihyun beats up Kyujin after Kyujin confesses to Chiwoo. Thereafter, Jihyun tries to corner Kyujin and break his bones in order to separate Kyujin and Chiwoo. Instead, Chiwoo shows up and Jihyun pushes Chiwoo down some stairs. Chiwoo is taken to the hospital and needs surgery. After his surgery, he has a serious conversation with Jihyun; he basically calls Jihyun out on his toxicity and cuts off their relationship. Now Kyujin stays by Chiwoo’s side during his recovery. The finale shows Chiwoo throwing away his memories of Jihyun and finally returning Kyujin’s affection.
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