Fire Emblem Three Houses Anastasia's Timore Merci

Anastasia is a noble of Adrestia. She is the daughter of duchess Anakia and Arundel. She finds that Hubert and the boys from other houses are all clingy to her.
Hubert the most.
She does not know how to approach. She whines everyday to empress Edelgard about his mistreatment but to no avail.
It falls on death ears.
Anyone and Everyone she comes in contact with dies because of him.
Anastasia runs to the golden deer faction, but everyone does not survive except claude.
Claude rebuilds a new faction, unit and empire under the almyran name and wants to figure out a way to help Anastasia Von Adrestia Riegan before it's too late.