Naruto: Escape From Konoha - Chapter 14: Blood Research

When he was engrossed in the Wizard World, Roger unexpectedly transmigrated to a world that seemed familiar yet strange.In this place, the legendary monsters actually existed, disguising themselves among the populace and becoming a part of this world.Starting from a deserted island, Roger began his career as a Demon Hunter.Although he had an inborn golden touch after transmigrating, what made him somewhat helpless was that it wasn't him with the cheat, but rather just a dilapidated house ready to collapse...After a long time, when Roger ascended to the castle surrounded by mountain peaks,he couldn't help but let out a sincere exclamation:“From a cabin to a castle, the house is too big and hard to manage!”…………This is the story of a Demonic Hunter living in the modern world.

In the foreign world, the martial artists dominate the world and the sword of the emperor controls the fate of hundreds of millions of lives! Long Yu, the number one killer on Earth, after dying, takes rebirth in this new world in an aristocratic family of martial artists but faces rejection because he is unable to practice martial arts.

A normal person, Xin Yun, received a second chance by transmigrating to an unknown world. But because he chose to indulge in women, he lost his chance to become the most powerful.

When he gets caught by the force a struggle between the nine most powerful experts, something unbelievable happened, or it could be said that a miracle occurred. Xin Yun was reborn and sent back to the place he had transmigrated over to.

Having been reborn, Xin Yun decided he wanted to become the strongest being together with the three top experts from his previous life: the most beautiful dragon- Sparkling Butterfly, Yi Luo Xiang, the cruel dragon- Evil Empress, Yan Qing Ying, and the most dazzling dragon- Peac*ck King, Ming Xuan!

Furthermore, he wanted to pursue love with the most beloved person from his previous life- Yi Luo Xiang! Xin Yun, making use of his good fortune, used his memories from his previous life to prioritized becoming friends with Yi Luo Xiang, Yan Qing Ying and Ming Xuan. He even received a godly artifact from his previous life- the Heaven Splitting Axe!

- Description from Novelupdates

Power and desire, money and strength, conscience and responsibility, the road ahead is at a loss, as a time traveler, Simon, where will he go, this is a leading mainstream novel with a relaxed daily life and a slow pace

- Description from novelbuddy