looking for a hentai manga

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Hello. I'm looking for a hentai manga that goes like this (story is pulled from memory so it's not 100% accurate)

An alchemist tells her story to her apprentice about how, as a girl, she gets kidnapped/raped in some forest and gets sold into slavery. She gains freedom but finds out she's pregnant. She works as a whore and gives birth in an alley. She reluctantly gives her child to a couple because she can't raise the child.

She then tells her apprentice that she met her child and is glad she grew up to be a fine lady. It is revealed to the reader that the apprentice is actually her daughter.