As Snape's cheap daughter (picked up)
I don't care what you say, my dad is right! No one can say a bad word about my dad!
"I'm Rosemary, the Rosemary named Snape."
At the branching ceremony:
"Mr. Sorting Hat, where do you think I can go?" Rosemary said cautiously, fearing that the Sorting Hat would be thrown back to the Muggle world.
"Oh oh oh, good polite boy, let me see, you have the cunning of Slytherin, the courage of Gryffindor, the kindness of Hufflepuff and the intelligence of Ravenclaw!"
The sorting hat moved its tip as if thinking.
"You will do great things in the future, Miss Snape." The sharp voice of the Sorting Hat penetrated into Rosemary's mind.
"My dear little girl, since you are the friendliest child to me in a long time, I have a word for you."
Rosemary pricked up her ears and listened carefully.
"You will use your Gryffindor bravery to carve out a niche in Slytherin's cunning territory, and become a great wizard on a road of no return, perhaps surpassing 'that person', Miss Snape, the Sorting Hat wishes you success!"
Then the Sorting Hat loudly called out where she belonged——
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Settings:
Lily and James are alive, the savior is still Harry
The prophecy has changed and it will not kill the Potter family.
Rosemary wears a baby in the modern setting, with a script (cheating)
All others are original settings
Motto: Everyone deserves to live in the sun, and Severus deserves it.