평범한 고등학생 같지만, 비밀을 감춘 봉석. 버스에서 봉석의 마음을 들뜨게 한 희수가 같은 반으로 전학을 온다.
| Name | Type | Role | |
|---|---|---|---|
| Kang Full | Writer | ||
| Shin Jae-hwi | Guest Star | Bang Ki-soo | |
| Yoo Seung-mok | Guest Star | Jo Rae-hyuk | |
| Baek Hyun-jin | Guest Star | Jung Sang-jin / Jincheon | |
| Jeon Seok-ho | Guest Star | Yoon Sung-wook | |
| Kim Jong-soo | Guest Star | Hwang Ji-sung | |
| Yoon Sa-bong | Guest Star | Janitress | |
| Park Bo-kyung | Guest Star | Shin Yoon-young | |
| Park Han-Sol | Guest Star | Han Byul | |
| Kim Shin-rock | Guest Star | Yeo Woon-kyu | |
| Park In-je | Director |