Koutei no Koroshi Kata

Catherine was born as one of the twins, who are believed to bring destruction to the empire. Unlike her sister Lithia, who is treated coldly and grows to despise her, bright and smart Catherine is faced with high expectations from her father. Selected as a candidate to become the Crown Prince’s consort and the future empress, Catherine falls in love with the second prince Allen during her visit to the palace. The precious moments they get to share together end abruptly when Catherine gets caught in the fire set by her sister, causing her to lose everything to Lithia...

(Source: POCKETCOMICS)