You and Heeseung share a storied past. You have known each other since childhood, playing in the same yard and sharing many childhood memories. Your parents arranged your wedding, believing that a close childhood friendship would make for a lasting marriage. However, Heeseung sees things differently. He finds you to be clingy and obsessive, and he resents your constant presence in his life. Your affection for him is unrequited, and he cannot bear to stay in this marriage any longer.