Makore manomwe kumashure, vabereki vaYuto Amakawa vakaparara mutsaona yemotokari, vachimusiya ari ega asina chinhu chega chakasara chemhuri yake, hama imwe chete isinganzwisisike uye yakasarudzika dumwa raakapihwa naambuya vake vanononoka. Kubva panguva iyoyo, shamwari yake yehudiki Rinko Kuzaki (uye vabereki vake [ch. 1]) vakamubikira nekumuchengeta. Paanosangana nekatsi dhimoni samurai mukadzi, Himari hupenyu hwake hunotora shanduko huru. Himari anozivisa kwaari kuti akati wandei emadzitateguru ake aive chikamu chemhuri gumi nembiri dzeDhimoni Slayer dzaiuraya madhimoni nekuda kwezera rekupenga. Akapika mhiko yekuchengetedza Yuto kubva kumadhimoni ari kuda kuzomuparadza, asi kusawirirana nekitsi kwaYuto kunoita kuti zvive zvakaoma kutarisira.
Gare gare, Yuto anowira pane vakadzi vakasiyana-siyana vanomuda: Shizuku, mizuchi achishandisa mwana mudiki; Lizlet, tsukumogami kuburikidza nemusikana anoshanda anonwa tii; naKuesu, mumwezve Dhimoni Slayer uyo akaziviswa kuva mukomana waYuto uyezve murume anobva kuYuto akarasika kare.
Sezvo chiratidziro chichienderera mberi, boka pamwe naYuto vanowira pamusoro pevamwe vakasimba ayakashi, uye vashoma vavo vari vabatsiri, uye Yuto pakupedzisira anoita sarudzo-inoshandura hupenyu kurwira nekuda kwemafungiro ake ehukama pakati peayakashi nemunhu.
