Do Jeong-mi, the main character, spends her nights playing video games. On Valentine's Day in her 2nd year of high school, Jung-mi's best friend Chae-hee confesses to the most popular senior in school and gets rejected. In order to make her friend Chae-hee's unrequited love come true, Jung-mi ran a secret Cupid operation, going back and forth between online and offline... (Source: Kakao Entertainment Corp., translated)