My Girlfriend Is a Demon Queen

[WARNING: R18 MATURE CONTENT] Zero in academics and single since birth—that's Himanshu. To deal with his lonely life, he only had one habit: jerking off to the hot girls in his favorite comic books. One night, he stumbles upon a dark fantasy comic. The Demon Queen inside was so ridiculously hot that Himanshu finished his usual 'business' looking at her and knocked out into a deep sleep. But when he opens his eyes the next morning, his brain completely stops working. The exact same Demon Queen from the comic pages was now sleeping right on top of him—completely naked! What kind of absolute chaos is this overpowered Demon Queen about to unleash on an average guy's life? — Description from novelcodex.org