Theworldisdividedintotwofactions:humansandmonsterscalledkatawara.Despitebeingakatawara,Tamaloveshumansandvowstoprotectthemfromevil,evenifitmeansfightingherownkind.HerbrotherJinka,however,hateshumans,despitemostlybeingone.ThesiblingsarejoinedbyacowardlyswordsmannamedShinsuke,whowantstolearnhowtobecomestrong.Thepeopletheymeet,placestheysee,andcreaturestheybattlewillbelegendary!