In Different World with Naruto System (WN) - Chapter 330: Rinnegan

In the dog-eat-dog Cultivation Realm, Fang Qingyuan, a disciple of the Beast Taming Sect, holds an ancient Immortal Mansion, yet chooses a path that leaves his fellow sect members dumbfounded—When his fellow sect members are staining Secret Realms with blood to fight for heavenly materials and earthly treasures, he pilots a Profound Turtle Beast ship across rivers, making a fortune by ferrying passengers;When the prodigies of the sect face near-death experiences to subdue ferocious beasts, he uses the Immortal Mansion's spiritual spring to cultivate hallucinogenic vines, secretly monopolizing the Black Market's medicinal herb business;When the Elders are at their wits' end over the beast tides, he has long since established a Myriad Beast Pasture within his Immortal Mansion, secretly hoarding strategic resources and jacking up the prices!“All this fighting and killing is too dangerous! Lying low and making money is the eternal Heavenly Dao! Cultivation isn't about meditating and practicing techniques, it's about understanding human relationships and worldly affairs!”

Returning to the Mysterious Era features a boy who can time-travel back to the past using old relics. The twist? He’s stuck in the body of the relic’s owner.After a near-death experience, Cassius unlocks his ability to travel to the past in the body of Li Wei, a member of the Wind Elephant Sect. Li Wei was a coward who lived a life of regrets up until the day the entire Wind Elephant Sect was mu*dered. As Cassius relives Li Wei’s past, he makes different decisions to show Li Wei a different kind of future.By living out the ups and downs of Li Wei’s life, Cassius is introduced to the world of Covert Martial Arts, ties that run closer than blood, and supernatural forces. Crossing the line between the ordinary and supernatural, he realizes there’s no way back. New friends and enemies slowly integrate into his reality.Now, he must uncover the secrets of Covert Martial Arts and get stronger to survive.

Du Fei was reborn, and in this difficult era of extreme shortage of supplies, he started his wonderful life of opening and hanging…

- Description from novelbuddy

King Grey has unrivaled strength, wealth, and prestige in a world governed by martial ability. However, solitude lingers closely behind those with great power. Beneath the glamorous exterior of a powerful king lurks the shell of man, devoid of purpose and will. 

Reincarnated into a new world filled with magic and monsters, the king has a second chance to relive his life. Correcting the mistakes of his past will not be his only challenge, however. Underneath the peace and prosperity of the new world is an undercurrent threatening to destroy everything he has worked for, questioning his role and reason for being born again.