Note: This entry is for the reported webtoon in progress. Please don't put the novel details. Fix this later when the webtoon is released.

[mtl] A child born on a leap day in a leap year, an ominous day when two moons rise. A child with red eyes who can see the energy of yin.
Cheon-yu, who was ordered to subdue the Shanxi region, isolated due to the infestation of monsters, hears a strange rumor and begins to investigate it. It is the story of women who are sacrificed in the name of Habaek's bride. King Cheon-yu, who appears before Dan-woo, who is on the verge of being sacrificed, is drawn to her somewhat unfamiliar atmosphere and extends his hand to her... .