Born with a talent for dying young, a “VIP of the Samdocheon River.”

“So… I died again.”

Sang Rahee Yo, the only beloved daughter of the Jade Emperor and the King of the Underworld, was the Heavenly Princess of Fate.
Yet there was one thing she never possessed: good health.

After hearing the tragic story of a young imperial princess named Seruhwa in the afterlife, Heeyo secretly runs away to the human world in her place without her parents knowing, because the girl herself had given up on living.

“What is wrong with this world? Why are there so many people trying to kill a child?!”

The kingdom of Unguk, where Ruhwa is sent off like merchandise in a political marriage, is filled not only with forces plotting her death, but also with people scheming to assassinate her husband, the crown prince Cheon Gyeolwoo.

“I can’t just stand by while these awful people torment good kids!”

Because I’m a terminally ill princess with no tomorrow.