One day, I was summoned to this world.
Beasts poured out, and an incredible crisis came.
My talents couldn’t have been worse.
[The player’s talent level is at rock bottom.]
[Almost all the numbers are hopeless.]
Whether you have to become a warrior or a wizard.
Whether you’ve gone back in time.
You have to take advantage of everything in order to survive.
“What about it?”
“I’ll use everything I have to survive!”
Regressor Instruction Manual It is also Known as: RIM, HSS
Genres: Violence , Action , Adventure , Comedy , Magic , Psychological , Time Travel , Seinen , Harem , Isekai , Korea , Fantasy World
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Top Light Novel Like Regressor Instruction Manual [2026 List]
2. Regressor Instruction Manual
One day, I was summoned to this world.
Beasts poured out, and an incredible crisis came.
My talents couldn’t have been worse.
[The player’s talent level is at rock bottom.]
[Almost all the numbers are hopeless.]
Whether you have to become a warrior or a wizard.
Whether you’ve gone back in time.
You have to take advantage of everything in order to survive.
“What about it?”
“I’ll use everything I have to survive!”
Regressor Instruction Manual is currently publishing and has Chapters. It is also Known as: RIM, HSS
1. Mowang Zuobi Xitong
One day, countless dungeons suddenly appeared in the world, and humanity ushered in the "dungeon era". Adesalai, the boss of an abyss-level dungeon, was killed by human adventurers via despicable means. Vowing revenge, he was reincarnated as a weak adventurer, but he activated an exclusive Boss System. Using the system's cheating powers to conquer dungeons and becoming its master, he started on the road of revenge.
Mowang Zuobi Xitong has finished publishing and it has 80 Chapters. It is also Known as: The Demon King's Cheat System, Demon King Cheat System, Demon King's Cheating System, Mowang Zuobi Xitong, Mówáng Zuòbì Xìtǒng, The Demon King Cheat System, The Demon King’s Cheat System, 魔王様のチートシステム, 마왕 전용 사기 시스템
