Honkai Gakuen – The Moment Of Shining Light summary:

Musyoku Kika was born in an ancient family in the East. They were rumored to have been a well-known demon family in Shinano, but it was gradually forgotten because of the decline of the name. Until later, under the excavation of the destiny , it was revived belonging to Shicksal, and changing the surname to “Colorless“.