BDSM story inquiry

[stopbuggingme]

i'm searching for a story i read here a long time ago. it's about a mistress visiting her young female sub and mistook her sub's innocent twin sister as her, and end up turning the twin sister as her sub too. i tried to search with literotica search function and google too, but i can't seem to find that story. can anyone help me please? i'm really desperate here. lol

and i'm sorry if i post this in wrong forum.