Super Card System - Chapter 666: Serving Different Masters

[Nakseong High School, the heads of 300 people exploded!] Lee Joon, an ordinary high school student.During the entrance ceremony, he was caught up in a strange phenomenon and died.[You have died.] [Restarting from checkpoint.] [Loading…] And then a message appeared before his eyes.『Welcome to Nakseong High School that is full of mysteries and secrets.Uncover the dark secrets hidden around the school, or fight against urban legends and myths to earn points and unlock special abilities.Then, gather companions and stop the resurrection of the demon king before you graduate.The world is in your hands.』

Attorney Zhang Qiansheng, a criminal defense lawyer with over 30 years of experience, had won more than 2,000 lawsuits and helped countless tycoons escape conviction, earning himself a fortune worth hundreds of millions. Standing in the courtroom, he struck fear into the hearts of those who heard of him, chilling them to the bone.But due to an accident, his soul transmigrated into the body of Zhang Wei, a law student from a parallel universe's Blue Star.Since then, the underachieving law student Zhang Wei had transformed into an unbeatable attorney!And this time, with the help of a Simple-minded person, he slowly transformed from the ruthless attorney Zhang Qiansheng into the compassionate and righteous good lawyer, Zhang Wei.

In a world where human and monsters relied on mystical fruits and their inner power to fight for dominance, a lost soul was thrown, given the powers from all the other worlds he’s known. But there was a catch; he had no control over what power he would get! With knowledge beyond that of most, he sails his path to the top of the one piece world!

- Description from Novelupdates

Perhaps it is the choice of fate. As a senior otaku, Qian Lingfeng got the “steel shell system”. However, when he swept the world with the system, became a local rich man, made all kinds of beautiful women, opened a harem, and realized the ultimate fantasy of thousands of otaku, he found that things seemed far from simple!
When the end comes, biochemical zombies suddenly come down, fierce beasts are in power, bloodthirsty zerg roam to kill the world, and human lives are comparable to dirt. Where will weak human beings go in this world? Is humanity going to be extinct? Or … can an otaku save the fate of the human race?

- Description from Novelupdates