Poision (Yandere Sebastian x Chemist Reader)

You were once a person captured in a cage, and being experimented on. That was your whole life. Just rotting away. But one day, the infamous Lord Phantomhive and his butler, Sebastian Michaelis, came, and made you a Phantomhive servant.

Though you were clumsy once and awhile like the other servants, the residents in the Phantomhive manor has grown quite found of you for your outgoing and cheerful personality. They had also learned your unique abilities with chemicals and how you use them.

As time grew by, one specific demon butler became a little more found then the others of you. This interest turned into a liking. This liking turned into a love. Love turned into obsession. To you, this obsession was poision