I Reincarnated as a Vampire and Somehow Won Over the Goddess of Light

The Void Mage Ron, a legendary figure of his age, somehow found himself reborn as an infant vampire in a wicked plane teeming with demons after kindling his divine flame. To avoid getting milked dry by the damn System, Ron, who was already at the Sacred Domain from the start, disguised himself as a fourteen- or fifteen-year-old human boy and ventured into another world. What? You’re a big shot, and I managed to turn your master-servant contract against you?! So that means... This big shot, who looks like a goddess and is powerful and alluring, able to switch between a mature beauty and a cute little girl, is going to be my maid from now on?! No way! The girl I casually rescued by the roadside has an unawakened Great Prophecy spell? I was just being kind~ Who knew she’d be raised to become Her Holiness the Pope! Ah! How did the ornamental pet I kept in my previous life turn into the Demon King you’re all talking about?! Wait! My mount, it’s only been three hundred years since we last met. Why are you suddenly bringing about the Twilight of the Gods? You’re making things really difficult for your master! …