About an ordinary high school sophomore, Song Woo-yeon, who joins a drawing club called Spirit Fingers and paints the story of finding her own color, personality, and dream.
| Actor | Role |
|---|---|
 Park Ji-huSong Woo-yeon / "Baby Blue Finger" | Song Woo-yeon / "Baby Blue Finger" |
 Cho Jun-youngNam Gi-jeong / "Red Finger" | Nam Gi-jeong / "Red Finger" |
 Choi Bo-minKoo Seon-ho / "Blue Finger" | Koo Seon-ho / "Blue Finger" |
 Park You-naNam Geu-rin / "Mint Finger" | Nam Geu-rin / "Mint Finger" |
 Kwon So-hyunHwang Bun-hong / "Pink Finger" | Hwang Bun-hong / "Pink Finger" |
 Kim Seul-giKo Taeng-ja / "Black Finger" | Ko Taeng-ja / "Black Finger" |
 Im Cheol-sooJang Dong-geon / "Brown Finger" | Jang Dong-geon / "Brown Finger" |
 Lee Jin-hyukKwon Hyeok / "Khaki Finger" | Kwon Hyeok / "Khaki Finger" |
 Cha Woo-minByeon Tae-seon | Byeon Tae-seon |
 Kang Hye-wonAhn Ye-rim | Ahn Ye-rim |
 Eun Yeo-jinYeom Se-ra | Yeom Se-ra |
 Ham Seong-minOh Dae-oh | Oh Dae-oh |
 Kim Hye-eunSeong Gyeong | Seong Gyeong |
 Gi Eun-youSong Woo-dol | Song Woo-dol |
 Son Hyun-wooSong Woo-seok | Song Woo-seok |
 Won Tae-minHeo Zero | Heo Zero |