I Was Reincarnated as a Villainous Alchemist Who Is Manipulated by a Mastermind. When I Tried to Avoid Doom by Mastering Alchemy, I Was Loved by the Heroine Who Fell Into the Darkness

Victor Zodiac is an arrogant, dark-natured, and jealous villainous alchemist. He appears in Asterism Cross as a villainous aristocrat who is doomed in the early stages of the game. I have been reincarnated as such a villain. If I don’t do anything, I’ll be defeated by the main character, used as a pawn by the mastermind, and eventually killed by my fiancée! In order to avoid a future of despair, I have no choice but to use my game knowledge and master alchemy…….?　Isn’t my fiancée a heroine who can’t be captured, and isn’t she my favorite character?　Good, while avoiding the future of doom, I’ll also save her from certain death in all routes!