Having been reincarnated as the villainous daughter of a duke, Erika Aurelia has safely shattered the flag that would've one day seen her killed by an evil spirit. The next death flag awaiting her leads to her being devoured by a beast bound to Prince August of Ignitia. The royal capital is lively with the spirit of Adventmas as Erika drops by to prevent her next fated demise. There, she meets a young boy so beautiful he could be mistaken for an angel...