Dr.Ayumu is seen to have a kind,almost playful.She was affectionate towards both Shiro and Kongo,both of whom she considers family. Ayumu fits into the archetype of a mad scientist,having made multiple alterations to her body,whether out of necessity or not.She is shown to be indifferent towards extracting and consuming her own blood.she have a more serious side when she describes humans being unable to solve their conflict with each-other and how she is ashamed to be human.