Sweeney Todd x reader - Our Secret

WARNING!!!!!
This stuff will be dark dark and smutty so have fun with that ;-;

Y/n has just moved into London in attempts to find the man that had ruined her life by murdering her entire family in front of her (will be explained)

After years of built of rage and lust for blood, she's finally found him

And she takes her time, cutting out every single person that was involved with the murders and enjoys this

Although, her little secret is soon found out by a man who is impressed by her skills