Whø is Blurryface and why døes he want us dead?

(Y/N) (L/N) wakes up in unfamiliar environment. She searches the house to find a man sleeping she wakes him up and later learns that she can't remember anything from before she wakes up. Unfortunately the poor girl has a bad case of Amnesia. The man also known as Aleks tries to help her regain her memory. During this a love blossoms and she ends up wishing she never knew the truth.