He was suddenly summoned to another world one day. Monsters poured out, a huge disaster incoming. His ability the lowest.
[Player's level is low] [Your level is hopeless]
It doesn't matter whether you're the chosen warrior, a talented wizard, or someone who travelled back in time. One must do everything they can, in order to survive.
The Regressor's Instruction Manual.
"It doesn't matter if I'm trash." Is there anyone who wouldn't do anything they could to survive?
Regressor Instruction Manual It is also Known as: How to Use a Returner
Genres: Action , Drama , Adventure , Fantasy , Psychological , Isekai
Try our anime quiz: Anime Characters Guessing Quiz/Game
Top 9 Manhwa/Manga Like Regressor Instruction Manual [2025 List]
9. FFF-Class Trashero
Protagonist Kang Han Soo killed the demon king after 10 years of being summoned in the fantasy world. Now it's time to be sent back to earth. What's this? the fantasy worlds god appears along with his report card. Because he removed all the obstacles that prevented him killing the demon king, his personality score came out as F. The regression that follows is that he has to return to the the start and begin again. Can Kang Han Soo end this endless returns?
FFF-Class Trashero has finished publishing and it has 172 Chapters. It is also Known as: FFF-Class Trashero (Manhwa)
8. Nae Ga Kiun S Geub Deul
An F-Class Hunter. And on top of that, a F-class older brother who can’t even begin to catch up to the heels of his amazing S-class little brother. After living a life that fell to pieces and even destroying my little brother’s life, I picked up the following resolution: “Perfect Caregiver”. That’s right, this time, instead of becoming mean, I will quietly support those who are more capable. Is what I thought... but the S-classes are kind of… weird.
My S-Class Hunters is currently publishing and has Chapters. It is also Known as: The S-Classes That I Raised, The S-Grades I Raised
7. Youjo Senki
On the front line of the war, there's a little girl. Blond hair, blue eyes and porcelain white skin, she commands the army with lisping voice. Her name is Tanya Degurechaff. But in reality, she is one of Japan's most elite salarymen, reborn as a little girl after angering a mysterious being X who calls himself "God." And this little girl, who prioritize over anything else efficiency and her own career, will become the most dangerous being amongst the sorcerers of the imperial army...
The Saga of Tanya the Evil is currently publishing and has Chapters. It is also Known as: 幼女戦記, The Military Chronicles of a Little Girl
6. Man Nyeon Mane Gwihwanhan Player
One day, KangWoo suddenly fell into Hell, with only a strong desire to survive and the Authority of Predation on him.
All the way from the 1st to the 9th Hell, he devoured hundreds of thousands of demons, until even the Seven Archdukes finally knelt before him.
“Why do you wish to return? Do you not already possess everything in Hell, my lord?”
“What exactly is it that I have?”
There was nothing to eat, nor any entertainment! Desolate lands and hideous demons were all that filled Hell.
“I’m going back.”
After ten thousand years in the 9 Hells, he returns to Earth at last.
After Ten Millennia in Hell is currently publishing and has Chapters. It is also Known as: Player Who Returned 10,000 Years Later, 万年ぶりに帰還したプレイヤー, Гравець, Який Повернувся Після 10,000 Років., Гравець, який повернувся через 10 000 років, Игрок, который вернулся спустя 10 000 лет
5. Geim Sok Babarianeuro Saranamgi
After spending nine years on Dungeon and Stone, the role-playing game that no player has ever beaten, Hansu Lee finally reaches the dungeon of the final boss. As soon as he opens the gate, however, he suddenly sees a message that says his tutorial has been completed and finds himself in the body of Bjorn Yandel, a real barbarian within the game. An exciting adventure awaits him as he endeavors to abide by the laws of the fictional world!
Surviving The Game as a Barbarian is currently publishing and has Chapters. It is also Known as: Geim Sok Babarianeuro Saranamgi
4. Overgeared
[Shin Youngwoo (Username: Grid)]
The world's greatest VR game
Whether in reality or in the game, misfortune has always befallen upon him...
An unexpected reward he discovered during a quest, 'Pagma's Rare Book'.
Changing into a one of a kind, strongest, Legendary class amongst +2 billion users.
"How are you still alive...?!"
"Well, it's nothing complicated..."
"I'm Overgeared."
Overgeared is currently publishing and has Chapters. It is also Known as: Overgeared (2020), Overgeared (Team Argo), 템빨 (Team Argo), Temppal
3. The Greatest Estate Developer
When civil engineering student Su-Ho Kim falls asleep reading a fantasy novel, he wakes up as a character in the book! Su-Ho is now in the body of Lloyd Frontera, a lazy noble who loves to drink, and whose family is in a mountain of debt. Using his engineering knowledge, Su-Ho designs inventions to avert the terrible future that lies in wait for him. With the help of a giant hamster, a knight, and the world’s magic, can Su-Ho dig his new family out of debt and build a better future?
The Greatest Estate Developer is currently publishing and has Chapters. It is also Known as: The World's Best Engineer, The Greatest Estate Designer, 史诗级领地设计师, ยอดสถาปนิกผู้พิทักษ์อาณาจักร, 史詩級領地設計師, El mejor desarrollador inmobiliario, 史上最高の領地設計士
2. Omniscient Reader's Point of View
Back then, Dok-Ja had no idea. He had no idea his favorite web novel 'Three Ways to Survive the Apocalypse' was going to come to life, and that he would become the only person to know how the world was going to end. He also had no idea he would end up becoming the protagonist of this novel-turned-reality. Now, Dok-Ja will go on a journey to change the course of the story and save humankind once and for all.
Omniscient Reader's Point of View is currently publishing and has Chapters. It is also Known as: Omniscient Reader's Viewpoint, دیدگاه خوانندهی همهچیدون, Всеведущий читатель, 전독시, 全知读者, 全知读者视角, Omniscient Reader
1. Akdangi Saraganeun Beop
“You have been chosen as a player in the great game to select the next god’s successor, the Mission! Congratulations!” Seonghoon has suddenly fallen into another world to participate in a game to become a god. This other world that is akin to that of a game contains players who cooperate and also kill each other in cold blood…!! Seonghoon, a person without an ounce of talent, uses wicked and crude tricks to become an all-powerful player!
How to Live as a Villain has finished publishing and it has 199 Chapters. It is also Known as: How a Villain Lives, How the Villain Lives, Living like a Villain, Akdang-i Saraganeun Beop, How to Live as a Villain, The True Villain, Como vivir como un villano, Les règles à suivre pour vivre en tant qu'antagoniste, La façon de vivre comme un antagoniste, Comment un vilain doit vivre, Истинный злодей
