Trapped in an Otome game as a mob

[Try to be NPC, Don't be the main protagonist, Hard Difficulty] Your Sister asked you to help her play an Otome game. However, a lighting structed you and killed you instantly. You woke up in Otome Game setting. Of Crouse you want nothing to do with the handsome dudes. So, you decided to settle down as a Mob, a nobody. Except that's not how Isekai worked