Ji-soo, a literature enthusiast who believes a mysterious being once visited him as a child and gifted him with talent in writing, finds school life boring. But everything changes when Hyeon-joo, a bold, soccer-loving girl, transfers to his school. Her boyish charm and passion to soccer instantly captivates him. From that day on, Ji-soo is plagued by unsettling, yet vivid dreams that blur the line between reality and something far more mysterious.
| Actor | Role |
|---|---|
 Moon Woo-jinJi-soo | Ji-soo |
 Lee Jae-inHyeon-joo | Hyeon-joo |
 Kim GeonJong-yoon | Jong-yoon |
 Ok Ji-youngJi-soo's Mom | Ji-soo's Mom |
| HHwang Soon-miHyeon-joo's Mom | Hyeon-joo's Mom |
 Park Jong-hwanJi-soo's Dad | Ji-soo's Dad |
 Kim Ji-wonNot listed | Not listed |