TayaBacha
What if Ema had a sister who was the eve of the servamp of Envy, but never knew and was also in the middle of the war between Tsubaki. While still handling the fact that she also have thirteen brothers, along with her sister to protect from Tsubaki's wrath. Will [Y/n] be able to protect them from him, or would she have to sacrifice herslef for all their sakes?