Ore no Saimin Fantasia: Ero Saimin de Ikusa Megami kara Maou made Hame Houdai!!

For as long as he could remember, an ordinary man plagued by relentless carnal fantasies endured a thoroughly mundane and unremarkable existence. His daily routine offered no escape from the tedium of reality, leaving him to quietly harbor his deepest, most uninhibited desires in the confines of his own mind. However, his monotonous life is abruptly shattered when a mysterious book transports him—without warning or explanation—to an entirely unfamiliar realm. He soon discovers that this new fantasy world is not merely a strange landscape, but a domain where he possesses the extraordinary power to bring every illicit thought to life. Armed with hypnotic abilities beyond his wildest dreams, he finds himself perfectly positioned to indulge every dark fantasy he has ever imagined. No one is beyond his reach, from the exalted goddesses and devout nuns who command reverence, to his ultimate adversary, the alluring Demon Queen herself. Yet, wielding such overwhelming temptation comes with its own perilous uncertainties. As he navigates this intoxicating new reality, he must confront a pressing question: will he successfully transform his most forbidden ambitions into flesh and blood, or will his grand conquests be thwarted before they can truly begin?