I'm a reincarnated person who wants to be a mob character not the heroine!!!

ohayo!!! the name is Savannah Heart, a girl who Love's anime and otome games so yes you can say I'm a (pure) otaku fan , my life is kinda nice and okay with my family and my boyfriend so yeah life is good good good~. but how can life is good when you're saving your sister from a car and died ( so much for a goody goo...