Ciel's Daughter

Melanie Maria Phantomhive, Daughter of Ciel and Elizabeth Phantomhive, has been kidnapped as a baby, and was forced to work in a village as a slave, but as she got older she had to their s*x toy until she was finally save by her Father's butler.
But before she was recused she gradually became colder. She lost her best friend, and everyone she knew in the village.
Melanie eventually returned home and became the head of Phantomhive mansion, but seemed to exhibit some strange behavior ever since she has comes back.

The One Thing, She Doesn't Know Is That The Day She Is Old Enough. Every Demon Will Be After Her Soul When She Came Back To The Manison.