Average high school student Mikagami​ Kouji is a hardcore gamer. One day he gets isekai'd and he only gets the skill "copy" which is apparently useless but we all know it's secretly OP or something. He's enslaved to be a gladiator by his summoner, the big booba, head priestess Zayd. He has to fight in the Colosseum and if he loses he gets raped.

Ichinomiya Shingo, a young 25 years old, single, company worker, while thinking of tomorrow’s busy working day goes to sleep. However the moment he woke up, it was a room unknown to him.

He then learned that he was inside a 6 years-old boy and had taken over his mind.

Furthermore he learned a lot from the memories of said boy: he was born as the youngest child (8th son and 10th child) of a poor noble family living in the back country. Having no administrative skill, he couldn’t do anything to manage the vast land his family has.

Fortunately, he was blessed with a very rare talent, talent of magic. Unfortunately, while his talent could bring prosperity to his family, in his situation it only brought disaster.

Yes, this is the story of the boy, Wendelin von Benno Baumeister, opening his own path in a harsh world.

Amamiya Hiroto is unlucky. His life consisted of misfortune after misfortune, culminating in an unlucky death during an incident on a school boat trip, trying to save a girl he barely knew. After death, he met a god of reincarnation who requested that the hundred or so dead passengers - one of them being the girl he tried in vain to save - be reincarnated into another world.

Yet a series of unfortunate events forced Hiroto to reincarnate with even less luck than before, starting with nothing but a tremendous amount of Mana. His second life, far worse than his first, came to a cruel end.

However, upon meeting the god a second time, he was informed that there would be yet another reincarnation - one that had already been set in motion and could not be stopped. Not wanting Hiroto to endure a third life filled with suffering, the god cursed him before he was reborn in the hopes that he would either die quickly or commit suicide.

Hiroto was reborn once more as a half-vampire, half-dark elf. A dhampir. Not wanting a fourth life, he is determined to live this third life with the only things remaining from his previous lives - Death Magic and his enormous Mana pool.

Tenjou Yuuya has been a bullied boy since the past.

He lives in the home of his beloved grandfather while he goes to school. As usual, he receives a harsh bullying, and he takes an extended absence from school to have some time to heal his wounds.

While on this long time of absence, he takes the opportunity to clean his grandfather's house and goes to a room he never went before, where his grandfather keep many different objects that he gathered from his travels around the world. While he was arranging the objects, he found a door not on a wall among the objects.

Out of curiosity he opens this door, what he found on the other side was...

Alba is happy living a quiet life deep in the mountains... until the day he accidentally saves a beautiful girl — an act that shatters his plans completely. As fate would have it, this girl is one of the key characters responsible for his death in the game's original story! Now dragged into the elite academy where the game unfolds, Alba must dodge danger at every turn if he wants to stay alive.

Aijou experienced 100 heartbreaks during Junior High. While praying in a shrine, the God of Love appears, saying that Aijou will meet 100 fated girls. If their relationship with him fails, all the girls will face an accident and die. Now it's a matter of love or death, and it's up to Aijou to decide.

Mankichi Akatsuki works for a publicly traded IT company, and his work and relationships are going great, but there's one thing that sets him apart: the rest of his family (mother, older sister, and two younger sisters) are all unemployed. Though they're all motivated, for some reason they can't find work. On top of that, his childhood friend Minayo loses her home and comes to live with them... His goal is for everyone to become independent! And to wed his childhood friend!!

(Source: Houbunsha, translated)

The spaceship which Imperial Galactic Navy Officer Alan Corinth helmed was shot down by a surprise attack during hyper-space navigation.
Completely due to freak coincidence, Alan became the only one in the ship to survive.
The severely damaged spaceship lost its navigation capabilities and plummeted onto a nearby planet.

Using an escape pod, Alan headed toward the planet alone.
Thus began Alan’s quest for survival on the underdeveloped planet utilizing the symbiotic nanomachines [Nanom] within his body.
Surprisingly, the planet was home to a thriving human civilization whose genetic code closely resembled Alan’s own.
Even while remaining at a loss due to being thrown into a world of swords and magic, he tries to live as best he could together with his newfound comrades.

What would Alan achieve this strange world?

The Sci-fi Fantasy story in a Medieval setting now begins!

Sakra, the last surviving princess of a fallen kingdom, is being hunted down for the power of Ambrosia she possesses - the ability to grant divine strength, but only to a human. With no human companion, she decides to summon one from another world in a desperate attempt to find a knight to protect her, but the man who answers her call is less than what she had hoped for.

Yuichi Shiro is a foolish, narcissistic, and oblivious teenage boy. After a sudden incident his once ordinary life goes through great changes. How will the optimistic self proclaimed genius handle the life he will lead from now on? As well as handle the new acquaintances and enemies it brings with it. Let the story of action, life, romance and stupidity begin. (Original Web Novel: https://www.fictionpress.com/s/3068594/1/Soul-Anomaly). Current cover is actually from the web novel that has a different artist to the manga.

The story is about the forbidden romcom between 7 siblings.

The story is set in a world where supernatural powers exist through science, and magic exists through religion.

In the story, Touma Kamijou is an ordinary high school boy with terrible academic scores and a power called Imagine Breaker. Imagine Breaker can defeat any other power, but it also undermines Kamijou's own good luck. His Imagine Breaker's immense strength is literally immeasurable, so hapless Kamijou is listed at the supernatural level of 0. He happens to meet a girl in white hanging off his window balcony. The girl says she is being chased by sorcerers, and Kamijou learns that the girl is a Church of England nun whose memories have been forcibly replaced by Index-Librorum-Prohibitorum — the 103,000 forbidden texts of the Church.

There are three female masters who are known to be the strongest in the world. The only thing they can’t get their hands on… their ideal man.

“If there are no ideal men, why not raise one yourself!?”

As they skim over the list of candidates, the ladies' eyes all fixate on one boy. A level 0 with no shred of talent…

A human boy name Light is kicked out from the adventurer party called the “Race Union(gathering of races)” by his trusted comrades.

Kazuya Kagami never goes anywhere without the precious Sakura Obi his mother gave him. One day a beautiful, kimono-clad girl named Kiriha appeared before him. Kiriha naturally began to live with Kazuya in his room. Then there's Chisato, Kazuya's childhood friend with glasses and a ponytail, who meddles in his affairs. Soon there's also an overprotective older sister who seems to want to take baths with him. Jumble in a huge-chested priestess, a good-looking sorceress named Kokuyoura, beautiful women, and hot girls, and Kazuya's happy, embarrassing, confusing life begins.

Kou Kousaka is an ordinary salaryman working overtime in a black company when a totally unprecedented event happens: he dies and is sent to another world.

Unlike those other isekai novels where the main character decides to be a hero or a demon lord, Koko here doesn’t care for any of that. The isekai system rewards his lack of choice with several powers which have never been seen before: the ability to store items in a limitless inventory, immediately dismantle them into materials, and then use them to create something new.

How will our completely unique hero survive in this new world?

Regnard defies expectations by enrolling in the esteemed Royal Academy of Lasarzia despite being a dropout.

However, during the Blessing Ceremony, he receives a peculiar skill called "Blessing of Sleeping Together," leading to ridicule from classmates.

Despite the mockery, Regnard discovers the true potential of this skill when he spends the night with Frost, an honor student.

This revelation leads to unexpected adventures and a harem fantasy, as Regnard navigates the challenges of his newfound abilities and hidden desires.

One day 's lunch break, suddenly a male high school student Yuzo Ogata being transferred to another world of sword and magic together with four other friends.

According to the Princess of Space-Time Magician, a foreign world who summoned them, they want them to beat the Demon Lord as Heroes to save this world.
Suddenly I was surprised at four friends "Temple", but it was a relaxing expression ... ... where the princess told of a startling fact!
"`―― There should only be four braves though?"
"A man who was mistakenly summoned to a different world" What will be in store as to his fate?

Source: http://konomanga.jp/manga/taitei-cheat

Kein, a middle-aged adventurer, who while in the middle of herb gathering, found a rare item [Resurrection fruit].

Kein thought about selling it and turned it into money, but he met a girl seeking medicine to save her companion’s life.

She looked like Altena, his childhood friend who already died, he gave it in exchange for small change.

Actually, the girl was the strongest adventurer Anastrea, people called her the sword princess. The next day, Kein suddenly got an invitation to join an S rank party, beat down the strongest and the worst monster, miraculously gain lots of money, and finally get confessed by a 20 years old saint.

Kein’s simple life will change completely because of his encounter with Anastrea.

Kosuke was killed by Truck-kun, and was given the ability to live in a new world. Additionally, he was provided two lovely assistants who would do anything for him. This is a story of his adventures with them.