MTL - Tokyo Bubble Life - Chapter 401 400, the author of "Love in the Sky", is really hateful

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.

Brave, wretched, kind, cunning, generous, greedy, elegant, vicious, happy, perverted, honest, prudish…

In this doomsday world, only by winning in the alien battlefield can resources be obtained to ensure the continuation of civilization.

Every soldier who enters the alien battlefield will randomly get a keyword of his own.

If the words and deeds match the key words, various attributes will grow rapidly and obtain superhuman abilities. On the contrary, if the human design collapses, it will quickly weaken;

This is a world of acting skills;

Acting is eating and drinking, acting is glory, acting is privilege, acting is life…

…

There are already completed Wanding works “Dream Master of Ten Thousand Worlds” and “Ten Thousand Ways to Eliminate Players”. The completion of this guarantee is guaranteed, please feel free to enter the pit.

- Description from novelbuddy

That day the sun set and never rose again...............Author Spotlight:Chen Dong — WebNovel's legendary titan behind global phenomena like 'Perfect World', 'The Sacred Ruins' and'World of Longevity‘— returns with his most ambitious saga yet. Crowned among the platform's all-time greats, this master of epic worldbuilding has dominated fiction charts for many times, with multiple novels adapted into hit games. When this trailblazer drops a new book, millions brace for sleepless nights.

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates