Witch Mentality [Yandere! BSDxreader]

Please note that this is based off of the manga and anime Bungo Stray Dogs, so the warning there apply here. If you are unable to handle the original, I suggest not reading.
Picture is not mine, credits to the owner.

"Do not trust what most say, unless you've fact checked it yourself, my dear."

"My dear, Earth is hell, and the humans who live on it, are the demons."

"Run."