A teenaged boy transforms from a 'fashion terrorist' to a 'fashion king' in order to win the heart of the prettiest girl in school. The story is about high school boy Ki-myung, who has a crush on the prettiest girl in his class and opens his eyes to fashion in order to become the best dressed person in the world.
| Actor | Role |
|---|---|
 Joo WonWoo Ki-myung | Woo Ki-myung |
 SulliKwak Eun-jin | Kwak Eun-jin |
 Ahn Jae-hyunKim Won-ho | Kim Won-ho |
 Park Se-youngPark Hye-jin | Park Hye-jin |
 Kim Seung-ohNam-jung | Nam-jung |
 Lee Il-hwaKi-myung's Mother | Ki-myung's Mother |
 Shin Ju-hwanChang-joo | Chang-joo |
 Min Jin-woongDoo-chi | Doo-chi |
 Wi Ji-woongFashion King Qualifying Tournament Model | Fashion King Qualifying Tournament Model |
 Kim Na-youngReporter | Reporter |
 Han Hye-jinMC | MC |
 Lee Kyung-youngWon-ho's Father | Won-ho's Father |
 Kim Si-eunStudent 4 | Student 4 |
 NanaStudent | Student |
 Yang Heung-juYard Man | Yard Man |
 HoranFemale Assistant | Female Assistant |
 Bae Yu-ramGi-myeong's Classmate | Gi-myeong's Classmate |
| IIm Hyeon-cheolTailor Judge | Tailor Judge |
 Hong Seok-cheonMC Seok-cheon | MC Seok-cheon |
| PPark Yeong-woongDetective 1 | Detective 1 |
| KKim Ji-hyeHanbok Judge | Hanbok Judge |