Super Invincible Upgrade - Chapter 221 -

The heavenly God of Warriors was betrayed by his true love and murdered at the very first night of wedding just because his merits made the monarch insecure. Reborn in a hundred years, Nie Tian would be an appendage no more. Reach the welkin, reverse the fate, reign over the heaven and reconstruct the worlds.

- Description from novelupdates

[Vest flow, semi-invincible, Conan colleagues]

Interview with the protagonist:

Q1: What is your secret to becoming the ace shark player of the Black Organization?

Jiang Xia: “Take Conan to the target’s house for a walk.”

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Q2: What’s your secret to retrieving the treasures stolen by Kidd many times?

Jiang Xia: “His accomplice is my vest.”

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An interview with the detectives of Kexue World:

Q1: How do you view Jiangxia?

Detectives: “Except for solving the case too quickly + being unable to hold people back, there are no other shortcomings.”

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Q2: As a high school detective, why not join forces with Jiang Xia to fight against the Black Organization?

Detectives (hurriedly wave their hands): “No no no, can’t tell him that the darkness of the world is too heavy for him.”

- Description from novelbuddy

This is a story of a man named Kim Sae-Jin, who one day, inexplicably wakes up as a Monster. Follow him and his perilous journey to get his life back as a Human, all the while growing even more versatile as a Monster in the process. This should be… complicated, somewhat.

A man who was once called the world’s strongest agent ended up becoming a teacher after his retirement, to train a new generation of agents. After many years of training his disciples, he was killed at the age of 60 by a secret organization’s ruse and was reincarnated in another world with his memories intact. Though he was surprised by the existence of magic and the strange species in that world, he quickly adapted to his condition as a newborn and took advantage of it. He acquired special magic and gained a massive amount of strength thanks to his rigorous discipline, in order to reach his goal: Resume his career as a teacher which he left halfway through in his previous life. This is the story of a man, who, based on the memories and the experiences of his previous life, became a teacher who travels through the world with his students.