Ketsueki Aiko

Ketsueki Aiko is a blood demon who was born in the demon world but she was a special kind of demon who can manipulate blood and can make Weapons from her blood, which she went to earth and caused chaos and havoc because of her demonic nature of being evil and feed off of evil from mankind. It after the chaos she caused in Japan on earth, she turn into her human form and be among human beings, so she develops a strong,confident,brave,beautiful, and bratty personality which changed her but in her demon form her thirst for killing people and defeating strong people then ending their lives, but she thinks she is the most powerful person on earth because nobody can match her or defeat her because she is a special type of demon from the demon world, but over the years she has a fondness of mankind, so she lives life on earth learning the wonders of mankind.