In Different World with Naruto System (WN) - Chapter 10 Leaving Magical Beasts Forest.

Life used to be so simple,

Full of false hope and endless beliefs in one’s ability in wooing that beautiful girl.

But in a single instant,

Everything as you knew it, plummeted faster than a spoken rejection.

What is real and false can’t be determined,

As the world slowly falls into the maws of the apocalypse.

How will our simple friend respond to the call; the summons?

No matter what he chooses,

Chaos SHALL Reign!

- Description from Novelupdates

Arriving in a strange world, Xavier realizes he's born into a family of hunters: Humans who hunt demons, cursed spirits, and various supernatural creatures.Xavier also comes to a realization that apart from espers- humans who awaken their attributes.They are Arcanists- humans who by going through the Arcane Ascension make use of the power of belief- Arcana, to manifest their wills onto the physical world.Not only that, but Transcenders- humans who consume divinity potions at the risk of losing their sanity also exist....And with the resurgence of the pathways.Xavier and his brother, Klaus are born into the Dark Era... an era also known as the Golden Age.Now both armed with a system each. The brothers must do everything in their prowess to put an end to the resurgence of the various evil gods and lunatics that endanger the lives of the normal citizens of the society.Churches of Gods, Prophets, evil gods, seers, oracles, and even angels of the lord can be both allies and enemies in this legendary tale that delves into the peak of mystery, fantasy, mysticism, and Lovecraftian horror!

Yeon-woo had a twin brother who disappeared five years ago. One day, a pocket watch left by his brother returned to his possession. Inside, he found a hidden diary in which was recorded “By the time you hear this, I guess I will be already dead….”

The main character Lei Yu does not have the ability to practice his family’s martial arts. He gets stepped on and tossed around. Due to certain reasons, he leaves the family, coincidentally gains an ability, and makes his own path to becoming an immortal.

- Description from Novelupdates