Lilith

Lilith was the first woman who was created by God alongside Adam in the Garden of Eden. When she refused to submit to Adam, she left the Garden and would eventually meet Lucifer. After the two caused mischief and rebelled God, the two were banished to Hell. After spending thousands of years in Hell, the two ended up together and had three daughters Lucie, Lillie, and Luna. Although Lilith and Lucifer had a special bond in the past, the two had began drifting apart, especially when Lucifer began focusing his affairs with the other Sins. When Lilith heard about Lucie creating an academy for other Succubus's and that Lillie decided to work their, while Luna attended as a student, she became curious and wanted to see the academy herself.