This is a story of a young girl who is Half Demon and Half angel name Emilia Scarlet Valentine. She grew far away from her parents as her father was corrupted by a Virus who left his daughter his finals words "You need to get stronger so you can defeated Lucifer and myself." those words were weld into her memory as no day has gone by without her thinking of her family. The next day when Diablo Valentine lost to the Virus, he sent the guards of the castle after everyone who would oppose them. etc