Falling for a Dying Princess

Story:

Read manhwa Falling for a Dying Princess / If I Fall in Love With the Time-Limited Princess / If You Fall In Love With A Terminally Ill Princess / 시한부 공주님을 사랑하게 된다면 A dying princess and the knight who loves her. Princess Kirona has Tetra Fever, a disease that eventually results in death. To save herself, she travels to the East in search of a cure and meets Jade Eclipse, a mercenary with a handsome face and mysterious past. Will Kirona find a way to survive? Or is Jade fated to love a doomed princess?