A Fallen Noblewoman's Hymn to Vice

Synopsis

Violia, the eldest daughter of the Fortesia family, returns home one day to find it on fire. For some reason, she is taken to the royal castle and accused of attempting to assassinate her fiancé, the seventh prince, Dactor. Despite her desperate attempts to defend herself against the assassination accusations, no one believes her. Not even her fiancé, Dactor. Dactor then loudly declares that he is breaking off their engagement. "This broken engagement has come at a high price... I'm going to kill them all!" The morally bankrupt young lady decides to overthrow the government!! https://www.cmoa.jp/title/327908/