ates ▁experiments ▁in ▁cont rolling ▁humans . ▁As ▁they ▁work ▁together , ▁the ▁two ▁fall ▁deeply ▁in ▁love ▁with ▁each ▁other . ▁Despite ▁their ▁initial ▁success ▁ens la ving ▁Ak iko ▁K us ats u , ▁repeated ▁fail ures ▁with ▁the ▁Type - S ▁drug ▁wear ▁heavily ▁upon ▁M antic ore . ▁As ▁Kir ima ▁Nag i ▁draw s ▁close ▁to ▁them ▁with ▁her ▁investig ations , ▁M antic ore ▁finds ▁itself ▁pushed ▁into ▁a ▁corner . ▁At ▁this ▁point ▁Na oko ▁Kam ik ish iro ▁st umb les ▁across ▁M antic ore ▁and ▁Sa ot ome , ▁looking ▁for ▁E cho es . ▁M antic ore ▁k ills ▁Kam ik ish iro ▁and ▁Sa ot ome ▁de vis es ▁a ▁plan ▁that ▁would ▁free ▁M antic ore ▁from ▁its ▁past . ▁He ▁man ages ▁to ▁st ab ▁E cho es ▁with ▁a ▁mechanical ▁p enc il ▁filled ▁with ▁M antic ore ' s ▁poison . ▁Its ▁greatest ▁oppon ent ▁now ▁weak ened , ▁M antic ore ▁reve als ▁itself ▁and ▁attacks . ▁About ▁to ▁lose , ▁E cho es ▁transform s ▁himself ▁into ▁light , ▁direct ing ▁the ▁beam ▁towards ▁M antic ore ▁to ▁destroy ▁it . ▁M antic ore ▁is ▁saved ▁by ▁Sa ot ome , ▁who ▁is ▁dis integr ated . ▁It ▁suff ers ▁severe ▁burn s ▁to ▁half ▁its ▁body . ▁After ▁losing ▁Sa ot ome , ▁the ▁only ▁tie ▁it ▁had ▁to ▁human ity , ▁it ▁revert ed ▁to ▁being ▁a ▁mon ster . ▁Se ek ing ▁to