Chouai Ookyuu: Isekai, Futari no Ou to Yotogi Hime

Synopsis

This time, Ema wants to be loved by the man of her destiny! After being betrayed by her boyfriend and then suffering an accident in despair, she finds herself lost in another world, where she meets the handsome king of the White Country...! A love story set in another world, where she is loved by two kings! (Source: Akita Shoten, translated)