Elena Aoki

Elena Aoki is the older sister of Clair Aoki who turned into a monster and killed their parents. Elena is a fair-skinned young woman with short dark blue/black hair, red eyes and a rather slim and more modest physique compared to her younger sister. She is often seen wearing a brown hat. In her monster form, she turns into a gloomy large female ghost-like creature with long hair. Elena is an emotionally unstable person who has a crush on Shuichi Kagaya, which makes her act shy and timid around him, but at the same time exhibits a selfish, murderous possessive attachment to him. She was the one responsible for turning Shuichi into a costume-like monster with the full intention to "become one" with him by entering inside him much as Clair does. Psychotic and deranged she is able to drastically change her emotions at a mere flip, acting with murderous intent at her would-be attacker, but calming herself down as soon as she realized it was Shuichi (in truth Clair inside him) and even apologizing for what she had done to him and willing to be killed by him in revenge. This all changed as soon as she heard a girl voice inside of him as she all too easily snapped and beheaded Shuichi to know who was the girl who was in "her place". A lunatic and a murderer, she has no qualms about killing her own parents, feeling nothing about this deed. Not only that, but both Shuichi and Clair realized through their enhanced sense of smell that Elena has committed a terrifying number of murders that left both of them frightened and thinking that she was indeed a true monster in every sense of the word. For all her emotional insanity, she does still have some lucidity left as she still feels love for her younger sister whom she spared after she killed their parents, later claiming she did it for Clair's sake and even giving her a coin she knew could be useful to her. When seeing that Clair was the girl inside of Shuichi she stopped her aggression and gave her another coin before leaving.