Eve was born 4 years before her sister Yuzuki, who was the result of an affair her mother had with another man, when her father found out after giving birth, he started to physically abuse his mother and a while later, he started to physically abuse and sexually Yuzuki, when she was 5 years old, Eve tried to protect both, but it was always forbidden to help them. One day, her mother took courage and threw her father out of the house, never seeing him again.