Doppelganger

Calista Ivy Castillo made a huge mistake by accidentally entering an alternate world where she doesn't belong; it may have the same name as her country, but it's totally different from where she came from, from its cultures down to its places. It all started one night when Calista saw a lady who looked precisely like her from head to toe, and for no apparent reason, they both couldn't stop themselves from attacking one another when their eyes locked. Calista killed her doppelganger from another world by accident. And with a single gust of wind, she finds herself in another world-the world of a woman she murdered. In the blink of an eye, she transforms into a princess who must marry a cold but attractive prince named Theodore Mason Fuentes in order to save their kingdom.