The World's most Overpowered Side-Character - Chapter 381 Cidd.

Su Mo, a young man of the modern times, transmigrated to the world of martial arts.The sole survivor of the declining Su family, he inherited the Ziyang Escort Agency, a courier service that was on the brink of collapse.Su Mo was determined to restore the family business to its former glory, but he was young and inexperienced. And the martial arts world was fraught with dangers and intrigues!Unexpectedly, a system popped up that rewarded him each time he completed a courier mission.With this reward system, Su Mo entered an unprecedented realm. He mastered the Longxiang Wisdom Divine Skill which transformed his internal Qi and gave him boundless energy and stamina to accomplish his missions.Still, troubles came knocking on his door as he embarked on his missions, from escorting a benign scholar to delivering a mysterious brocade box for a dying man.Could Su Mo avoid getting tangled in other people's affairs? And would he survive the storms and gain a foothold in the treacherous martial arts world?

A boy from 21st century Earth, met an accident and later was reborn in Naruto’s Ninja World.
He is born in Uchiha Family and becomes the useless brother of Itachi Uchiha and Sasuke Uchiha…. Let’s see how he changed the Naruto world.

- Description from Novelupdates

I became the childhood friend of the protagonist in a novel. The childhood friend who died from taking drugs.

“The world underwent a mutation that year. The game world appeared in reality and various disasters started to ravage the world.

To resist all of this, everyone had to plan for their job choice, manically level up, and strive to become stronger.

There were mages, warriors, knights, and summoners—over 100 different kinds of jobs. This was a job that a person would be stuck with his entire life. Thus, everyone chose cautiously. Out of this dazzling array of jobs, Moses picked Knight—which had the most average ability value—to be his job.

At the same time, he also awakened the Hundredfold Increase System.

“”Ding! Detected that the host learned Shielding. The skill has become Absolute Defense after the hundredfold increase!””

“”Ding! Detected that the host learned Defensive Domain. The skill has become No Damage Domain after the hundredfold increase!””

At the same time, Moses also discovered that his job could evolve infinitely!

“”Ding! Detected that the host’s Knight job has met the conditions for a hundredfold increase. The job has become Great Knight… Paladin… Impregnable Fortress!”