An ordinary middle schooler, Lee Sungmin, is summoned to this world called ‘Eria’.
He endures for dozens of years with no talents or powers, and makes it through all kinds of hardships to survive, but dies miserably in the end.
However, before he dies, he regresses back to the past after obtaining the ‘Stone of the Past Life’ by chance, and gains the opportunity to start his life anew.
Yet, he still lives a life without any talents, having nothing. Although he can’t approach the geniuses around him due to the ‘wall’ surrounding them, as well as feeling inferior, he moves forward step by step with firm determination, never giving up. “No matter what, I’m going to live a better life than my previous one even if I have to struggle!”

Imagine a world where everything you write takes life...What would you do then, if paper which had disappeared for more than two hundred years came back in the of Black Fowl, the biggest criminal mind of the century? An exceptional situation calls for excptional measures. The Police forces of City Hall will have to call to the rescue two of the best of London: Jules Verne and Arthur Conan Doyle!

A girl in a small village. Coco always wanted to be a wizard. But those who can not use magic since birth can not become wizards, so she had given up her dream of becoming a wizard. However, one day, a magician visited the village. This is the story of despair and hope that visited the girl.

The story of two foreign men living in Japan.

(from ebookjapan):

Nick, with his stylish hair, and Lever, with his dazzling eyes behind his sunglasses, are a HOT & CRAZY foreign duo who will face any obstacles that come their way!

The genius Kyogoro Miyata, who wastes no time in drawing, unleashes a shocking high-speed manga. Nick and Lever are finally here!

The hero and weapon are the strongest connections! An exhilarating fantasy that lurks from the back of the world!
Ned, a young man who has been behind many of the world's greatest achievements, using a weapon known as human networking.
One day, however, he is judged by the selfish king to be a liability and expelled from the heroic party.
Ned decides to start as an adventurer from scratch. But his life as an adventurer is naturally out of the ordinary, as he is adored and connected with everyone from the leader of the knights to the princess of the mermaid tribe...
'Can I get help from the Wisdom King and the Great Sage to find this person?'
Meanwhile, the King is coming to a realization. The heroes' party was full of capable, but incredibly problematic children, and that it was Ned that controlled them..
Thus opens a new story of a hero who changes the world from behind the scenes with his motto of "using connections".

From MangaHelpers:

Nagumo Yumi is an idiotic high school girl, whose post-graduation plan is to go to the US and become president. To her high school friends' amazement, she actually manages to make it to the US during summer vacation. After befriending some elderly veterans, she becomes convinced that joining the Marine Corps is the best way to move her dream forward. The waitress Linda Crawford joins her to sign up at the recruitment center, and she also meets friends among the new recruits, Rita Fernandez and Donna King. Will they have what it takes to become a Marine? [tethysdust]

Ygret, a great sage that knows how to use all 4 elements, woke up in a body of prince Judas Lubarjan.

"Now I don't want to give up living with people."

“Are you the one who called me…?” A black-haired beast looked at him with glowing yellow eyes. “It’s okay. It won’t hurt anymore. You’ll be okay.”

Estio was born as the youngest son of a farmer, but everyone hated him. He was a child who could read the hearts of people and animals. And…

“A cursed child.”

He finally turned 19, and it was now time for his coming-of-age ceremony. Now starts Estio’s journey to find happiness.

In the final battle against the evil Exterminators, Asagaki Tougo, a power ranger, traded his life for the enemy's. It seemed like everything was over, but suddenly he found himself in another world! He becomes an adventurer, transforming into Kizuna Red, and continues fighting to save people in trouble! Here he meets a young Wizard named Idola and his journey in this new world begins!

"Don't look down on me just because I'm a child! Even though I look like this, this is my 10th life!"

I'm an illegitimate princess whose life was cut short after being misunderstood for having the same blood as the enemy country and died early. After nine tragic repetitions, I discovered the identity of my biological father. He is Paeon, a war hero who defeated the demon king and the strongest holy knight in the continent. He had a forbidden relationship with the princess, had me, and then deserted me!

In order to survive the harsh royal palace, I've decided to use and then abandon this impudent father. I will become the strongest as fast as I can and escape from this disgusting country!

And so, while I was building my strength, I happened to meet the demon king's son, Leo. He wasn't arrogant like his father, but he was pitifully living in captivity. So, I took care of him in secret.

"Asha, you cannot get engaged to anyone."

"...Huh? Why?"

"Because I’ll take responsibility for you forever."

"What?!"

"We spent the night together."

...What is this prince saying?

A father and holy knight who had (?) a forbidden love. Along with an enemy prince who is trying (!) to have a forbidden love. With them, can the unfortunate princess change her fate?

Tsurumi Asuta is a 17-year-old second year high school student. He was an apprentice cook working at the public diner "Tsurumi-ya" that was managed by his father. One day, Tsurumi-ya is hit by fire and Asuta dived inside the burning shop in order to save his father's santoku knife which is said to be his father soul, where he found demise.

When he came to, he was in the midst of a strange jungle. He was then attacked by a beast resembling a boar, but Asuta was saved by a girl named Ai Fa claiming herself as part of the "People of Morihen." It was then that he realized he was in another world.

An elf weaponsmith meets a hero who's so strong every weapon shatters in his hands after a single use.

Ronan lived a wasteful life filled with regrets. A second chance befalls him at the end of his futile life. He went back to the time when he was a ten-year-old child! For the people who sacrificed themselves for him, he becomes determined to live a new life.

Fantasy adventuring comedy starring Karla the dark elf cleric who invested too much on her insulting skills and Alvin the swordsman who has to put up with her.

Spinoff of the KonoSuba series, featuring the daily life of Kazuma and co.

Reid, a young hero with the strongest physical strength, and Elria, a beautiful sage with the strongest magic prowess.

They continued to fight as rivals in opposing enemy nations, but their relationship came to an end with the sudden death of Elria… Then, a thousand years later,

Reincarnated in a world where magic reigns supreme, but he who has retained the strongest physical strength from his previous life, Reid, was reunited with Elria, who has also been reincarnated―

“Hey, Reid— I want you to marry me.”

“…Huh?”

The two, who have become the strongest unaware lovey-dovey couple in a thousand years, enrolled in the Royal Magic Academy to decide who is stronger!

Takagi Kaito, a low status high schooler, your typical Mob character so to say, was just a normal everyday explorer who hunted slimes every day in the dungeons that appeared in Japan, earning pocket money while admiring his childhood friend, the class queen, from afar. One day, a golden slime he had never seen appears before him. After he defeats it, he obtains an extremely rare item worth hundreds of millions as a drop, a servant card that can summon mythical beings!! After he makes up his mind and summons it, a warrior maiden with unparalleled beauty appears. Rise above being just a mob explorer Kaito! A modern battle fantasy story has begun!

The protagonist fell asleep while playing an online game. However, he awoke in a strange world with his game character’s appearance. In a state of shock, he noticed that he was equipped with nothing but his strongest weapon and armor. To make matters worse, our hero’s appearance was changed by the special avatar skin 『Skeleton』 when he enter this new world. The protagonist wanted to live without drawing attention, but he got acquainted with the dark elf Ariana and received her request.

In the whole world there lays twelve paths to climb Tower of God, and in legends these twelve pathways leads toward legendary road of immortality. However these paths in the Tower of God, are far too long, without end. In ancient times there once were many types of martial arts, sadly the world underwent terrible changes, and only three were left: Flame, Dragon and Star Martial Arts. Generations of experts of those three martial arts are searching for the road of immortality.
A Star Martial Arts practitioner on his journey of lifetime, plans to become the Highest God.

Daigo Kagemitsu, who works for a Samurai general in Japan's Warring States period, promises to offer 48 body parts of his unborn baby to 48 devils in exchange for complete domination of the country. When the baby boy is born, Daigo has him thrown into a river, hoping the boy will die. A kind sage, however, finds him and adopts him. The sage fits out his poor son with prosthetics.

Time goes by and the baby grows into a boy who calls himself Hyakkimaru. Everytime Hyakkimaru eliminates a devil, he retrieves one of his missing body parts. Hyakkimaru meets a boy thief named Dororo and together they travel the countryside in search of the devils who possess Hyakkimaru's parts. Throughout their travels, they face monsters and ghosts.