▁phys ically ▁and ▁intellect ually , ▁she ▁has ▁the ▁tools ▁she ▁needs ▁to ▁carry ▁out ▁her ▁self - app oint ed ▁mission . ▁The ▁T owa ▁Organ ization ▁has ▁given ▁her ▁the ▁code ▁name ▁" W al p urg is " ▁. ▁ ▁Her ▁back story , ▁where ▁Kir ima ▁becomes ▁a ▁self - sty led ▁" h ero ▁of ▁justice ", ▁is ▁described ▁in ▁full ▁detail ▁in ▁Bo og ie pop ▁at ▁Da wn . ▁In ▁Bo og ie pop ▁and ▁O thers , ▁Kir ima ' s ▁friend ▁Na oko ▁Kam ik ish iro ▁requests ▁her ▁assistance ▁with ▁helping ▁E cho es ▁find ▁M antic ore ▁and ▁keep ▁it ▁from ▁killing ▁students ▁at ▁Sh iny o ▁Academy . ▁Kir ima ▁agre es ; ▁she ▁intention ally ▁gets ▁herself ▁susp ended ▁from ▁school , ▁to ▁gain ▁the ▁freedom ▁to ▁investigate . ▁Following ▁the ▁trail ▁of ▁the ▁drug , ▁Type - S , ▁Kir ima ▁comes ▁to ▁suspect ▁that ▁M antic ore ▁has ▁taken ▁the ▁form ▁of ▁either ▁Ni it oki ▁Ke i , ▁Sa ot ome ▁Mas ami ▁or ▁Tan aka ▁Sh iro . ▁As ▁M antic ore ▁attacks ▁E cho es , ▁Sa ot ome ▁slash es ▁Kir ima ' s ▁thro at , ▁killing ▁her . ▁However , ▁when ▁E cho es ▁turns ▁into ▁light ▁to ▁kill ▁M antic ore , ▁he ▁uses ▁some ▁of ▁his ▁power ▁to ▁res ur rect ▁Kir ima . ▁Kaz uk o ▁Su ema ▁also ▁attempts ▁to ▁draw ▁close ▁to ▁Kir ima ▁during ▁this ▁time