idk about scary, this anime just so dark full of blood, violence, and twisted, started with rape scene then series of brutality, keep going into insanity just full of insane character but so awesome, really worth to watch if you like blood and violence scene
http://kissanime.com/G/39346?l= http%3a%2f%2fkissanime.com%2fAnime%2fDenpa-Teki-na-Kanojo
Is it really scary?