I have been reincarnated... as a love-rival's friend

In a world where previously known as the world in an otome game, I was born. At first, I don't know that this is a world in a certain otome game since I just remember exactly where I am, at 15 years old, standing on the stage of the opening of the game. Thankfully, I am irrelevant to the game's story-line, so there's...

Somehow I got Reincarnated as an Fantasy Otome game's Rival Character

The last thing I remembered was flashing lights, and someone shouting into my ears. When I woke up, I was immediately picked up by a towering figure that looked really familiar. The next thing I knew, I was hailed as the first princess of the country, Lilianne Encoraerge. ... Wait just a second... Isn't that the name...