Pay With Your Heart - Chapter 149

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?
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Search keyword: Protagonist: King of Han, Princess of Han

- Description from novelbuddy

Cheap, high-quality s*aves -not.
Our diligent friend, the Goblin!

A human from Earth is thrust into the [Hunter x Hunter] world, becoming the Zoldyck family’s defiant, red-eyed prodigy. They call me a genius and the rightful heir, but I say that’s Killua’s burden to bear.Armed with crimson eyes, and a subtle yet powerful system, I’ll rewrite destiny, upend the world, and embrace the chaos with a wicked grin.

This is the era where people prioritize science and Martial Dao. After the great disaster, the human race discovered the Ancient Zenith civilization. They entered the Age of Great Cultivation and began their journey to colonize the Kunlun Realm!