Asa is antisocial and quiet, she is easily jealous, Asa has a negative view on the world and is quite socially inept, she is smart. She is easy to flirt with and is easily flustered. Asa is possesed, she has a devil within her, this devil is called the war devil or Yoru When Yoru takes over Asa turns cold, her eyes turn yellow, Yoru is arrogant and wants to turn a boy called Denji into a weapon, she made Asa try and seduce him but Asa cought feelings for Denji instead. Asa can be broken easily.