Like The Stars - James Potter - Marauders Era

Cassiopeia Black. Regulus twin sister and Sirius's younger sister. After finding out Sirius had been banished from Grimmauld Place, she overheard a conversation her parents were having about organising a marriage for her after she's gotten the dark mark, as they had made a deal, Cassiopeia could marry who she pleases, when she pleases, as long as she got the dark mark. She was upset they were going to go back on their word. She packed her things and ran away with Sirius, ending up on the doorstep of his mate. Cassiopeia and Sirius were welcomed into the Potter residence with open arms.

What happens when she spends the rest of the summer at the Potter residence? What happens when she starts to fall for her older brothers best mate?

The Harry Potter franchise does not belong to me, or the characters. All rights and credits go to the respective people. The only character that belongs to me is Cassiopeia. But this fanfic, does belong to me, please do not steal my work, it's okay if you take inspiration from my work, just please don't steal my work. Thank you.

Background ships:
-Remus X Sirius
-Dorcas X Marlene
-Lily X Mary
-Ted X Andromeda
-Lucius X Narcissa
-Rudolfus X Bellatrix
-Barty X Evan

-I've modernized it slightly
-Regulus is Asexual and Aromantic.

-Cover art by: @anamika_writes (Thank you)