Althea lupin is Remus lupins daughter,she had light brown hair with honey brown eyes she was covered in scars Because she was a werewolf but nobody in the school knew..it was her secret she was also a Gryffindor and you (The reader) are regulus blacks only daughter/son and a Slytherin.

Althea lupin is quiet ,loyal,bookworm and brave, everybody in the school thinks she’s hot but she doesn’t know it

Althea sat across the room in the library reading while you sat on the other side of the library