Apocalypse Days: I Rule with Foresight and a Powerful Son - Chapter 6: The World Was A Wasteland

The young lord of a small and weak country saves a dragon beside the sea one day.

His Royal Highness the King of Han, who was afraid of the dark and ghosts and loved to cry, has always been the good baby of the princess.
Until one day, His Royal Highness the King of Han found a book in the bookstore…
Picture book?
Content tags:
Search keyword: Protagonist: King of Han, Princess of Han

- Description from novelbuddy

“Martial Arts World...” Death murmured, shocked by the turn of the events. How could he, primordial being of the afterlife, get tricked by a mere human? Not just a mere human, but also earthling, race that was weakest of the twenty realms. Death realized the extent of his mistake. An earthling had just jumped into the river of the reincarnation, where he definitely didn’t belong. It was too late. The damage has been done. The matter was now out of his hands. “Kiernan Hunter...” ... Remake of the Martial Arts System, and while the concept stays the same, the story is completely different. A few names, etc, stays the same, but mostly whole new story.

After getting hit by the truck, Luke was reincarnated as a target character in a reverse harem game.He was supposed to throw away his fiancée—the Villainess—and mindlessly follow the Protagonist.A side character he was destined to be, however, even if Luke accepts his fate as a side character, he cannot let the Villainess meet with the same dead end.-----------Additional tags: No yaoi, no yuri, no NTR. Obsessive character, possessive character, solo-romance, no harem, early romance, possible lemons.