This is the story of an Illegal Pharmaceutical Scientist Otaku who died, and was reincarnated into DXD as pure blood devil. "If people got themselves reincarnated into another world, usually they would try their best to fix the plot into better one right? Me? Sorry I think I'll just taint or rape all the beautiful women that are my type. (Not for Kids high amounts of rape :3!)

Telling Takashi to take care of Rei, Saeko runs into the throng of zombies alone to draw them away. When the rest are rescued by Saya's mother, Saeko is forced to travel alone. What happens when she meets up with a foreigner who not only accepts her dark side but encourages it? Will she finally be capable of admitting her feelings to someone? Saeko/OC Takashi/Rei Read the Prologue!