The Betrayed Bride's Revenge

In her past life, on the day of the Emperor's birthday banquet, Stella Sinclair was framed and murdered by her own sister and fiancé. In this life, Stella is reborn on the day before the banquet. Armed with evidence of her sister's and fiancé's affair and their plot against her, she publicly exposes the true colors of her two-faced sister and hypocritical fiancé. From then on, she puts her sister and the scumbag in their place, beginning her new life of counterattack.