I Was Reincarnated in an Otome Game and Became the Butler of the Main Character [Heroine]. Before I Knew It, the Heroine Had Become a Yandere.

One day, I, Louie Aldehyde I was reincarnated in the world of Otome games, also known as “Arurei”. I became the butler of the main character of the game. It’s good that I became a butler, but —- “Hey, Louie? Why did you cheat on me? Why, why, why, why, why, why—-“ Yeah —- how did this happen?