The East Kingdom's princess was known to die in a very tragic way. But it was still unknown and controversial until now. No one knew who she got married to, or how she died. That was what made Yoon Yeonseo interested in her story. Things started to change when she accidentally travelled back time to 300 years ago, the year of King Sunoo's reign. Now it was her chance to find out what actually happened to the princess. From how she got married and whom she married, to how she died and why she died. To her surprise, there was suddenly an unknown man in the princess's life. There was no history about the man and his contributions to the kingdom. But suddenly, he had her heart and she was starting to dread to come back to the present time. And that man was the nobleman, Yang Jungwon.

Riverfield, a beautiful town by the ocean, is home to the prestigious Decelis Academy. It's also home to seven boys with a secret: they may simply seem like players of the famous sport, Nightball, but they're actually vampires. To escape from their dark past, they try to lead normal lives as students - other than the occasional hitch since their rival Nightball team happens to be made up of werewolves. But in the end, these seven friends always find strength in each other. Until one day, a new transfer student with curious strength causes the boys' forgotten past to slowly unravel. DARK MOON: THE BLOOD ALTAR with ENHYPEN ***** Original story: HYBE Co-planning: HYBE / NAVER WEBTOON