My Sister The Villainess

Tell me, what does one do when they discover they were reincarnated into an Otome game as the villainess' playboy older brother?Of course I had always been aware of my situation as a reincarnated person, but it was only when my sister's engagement to the Crown Prince was announced that I finally encountered a piece of my first life after all these years. I thought, "Hey, this is exactly...