I Transmigrate: Becoming A Cannon Fodder

When she open her eyes , she saw many peoples there are ministers , nobles and consorts...she observe surrounding her,everyone were chatting happily well mostly are about their status and wealth...she notice that she sit beside the family Li... it's kinda far away from the emperor seat, well now she realize that today is the first day where the ML will met the FL , the FL will dance on the stage and her ex fiancé so called Tang Yu will break of the engagement "well who cares"Qi Wen says in her thoughts, "system so my mission is to make the ML and FL suffer right?"she randomly asked... the system reply "hmm....well I need a perfect plan to ruin their life" When Qi Wen heard this her jaw almost drop "what??? Accidentally?! Also need to deduct the points above 9,000 points??...sigh I get it...who ask them are the Main Characters"she say ironically while rolling her eyes"Well then I need to change the plot..."