Set in the constitutional monarchy in an imaginary South Korea, South Korea's Crown Prince Lee Jae Ha is forced to join the World Officers Competition, WOC, by his brother. There, he meets North Korea's strongest female devil instructor Kim Hang Ah.
Kim Hang-ah
Lee Jae-ha
Lee Jae-shin
Eun Shi-kyung
Kim Bong-gu
Bang Yang-seon (the Queen Mother)
Lee Jae-kang (the King)
Eun Kyu-tae
Rhee Kang-seok
Yeom Dong-ha
Lee Jae-kang (young)
Lee Jae-ha (young)
Ah Mu-gan
