Once upon a time, a selfish king summoned the montrous Bulkirin into the real world. 이 괴물은 모든 인간의 절반을 죽였고 나머지는 어떻게 해야 할지 몰라 속수무책이었죠. That is, until one day when a hero appeared and defeated the Bulkirin with the legendary Seven Blade Sword.