Having survived an isekai for 17 years, 34 year old Ojisan (uncle) returns to modern day Japan. Takafumi, Ojisan's nephew, now gets to witness what throwing a die hard Sega fan into an isekai for 17 years does to various things and people, both past and present.

As regular high school students Taichi and Rin disappeared in a beam of light. When they came to, the two of them were already in a world of swords and magic. Finally getting away after experiencing an attack by monsters, following the suggestion of adventurers they headed on the path towards the guild. In the guild, the two of them found out that they possessed unbelievably powerful magic. Thus the regular high school students transformed into the strongest cheats...

(Source: sylver135)

If I can succeed it's OK to use bugs or any possible way! A story of reincarnated ultra-high obesity young lord.

Around the age of thirty, the officer worker Shouko suddenly gets into an accident on her way home and reincarnates into a parallel universe. When she reincarnates, a goddess gives her the "power of healing" and caretakers that will look after her until she is able to become independent.

However, she restarts in the form of a 10-year-old...

Prior to her reincarnation, Sachiko who opened her eyes on the verge of death was picked up by a handsome hunter named Falco. Shouko instinctively knew that Falco is one of the promised caretakers... but there's trouble.

Falco's constant doting can't be stopped!

Hunting slimes, harvesting herbs, and training to be a healer: Shouko then decides to live her second life with the overprotective and soft Falco.

Kazuma Satō, a hikikomori (shut-in) die-hard fan of games, anime, and manga. A traffic accident brings his disappointingly brief life to an end … or it should have, but he wakes up and sees a beautiful girl who introduces herself as a goddess. "Hey, I have some good news — would you like to go to an alternate world? You may only bring one thing you like with you."

He responds, "…So, I'll bring you." With that, he is transported to another world and his great adventure subjugating the demon king begins … but first the hard work of finding food, clothing, and shelter begins. Kazuma wants to live in peace, but the goddess raises one problem after another, and then the demon king's army has its eyes set on him.

Without possessing the unique skill blessed by the goddess, a boy named Kujou Kyouya failed to save the world. He was ridiculed as a “failed hero” at the interdimensional-level academy where returned heroes who had saved many worlds gathered. However, he became the strongest and most unique hero, having trained for 30,000 years in another world with the most evil demon king, Felice, who has destroyed 3,000 worlds! Now Kyouya’s unique skill is so powerful that he cannot even be defeated by the strongest heroes! The legend of a boy trained by the most evil demon king, begins!

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

Youki was reincarnated in another world. However, instead of being reincarnated as the hero or the demon lord, he was instead reincarnated half-assedly as a minion of the Demon Lord. One day, the Hero's Party attacked the Demon Lord's castle with the intent of defeating the Demon Lord. Of course, Youki was able to repel their attempt with ease. In spite of this, he ended up falling for the cleric, Cecilia, at first sight… The super popular love comedy fantasy set in another world! (Source: Gaugau)

Anne-Sophia, the Princess who remembered her previous life at a young age, as well as her old self’s intense love of magic, set off to live out her fantasies in this fantasy world.

One day, during a magical mishap, she stumbled upon a scene where her brother Algard was breaking off his engagement to his fiancee, Euphilia.

What nobody could have foreseen is that this strange meeting would end up changing the course of history.

A young man unfortunately died in the modern era, he reincarnated in another world under the name "Eldo," which also happened to be a world similar to a VRMMO game that he used to play in his previous life. However, it's a world where he knows the "basic skills." Eldo became a level 1 adventurer, playing as a "novice," but he knows the world better than anyone, and this is because of the "data he knows." Will the reincarnation in this world make him strong?

Sozai Shuu, a working adult with a slightly weird habit of loving to collect raw materials, was transferred to another world by God after losing his life.

In order to live leisurely, Shuu wished for 『a power to live a carefree life collecting raw materials in another world.』His wish was successfully granted however, his magic power is strangely enormous, and his skill is really convenient? Seems like God misunderstood that he wanted to harvest materials from monsters leisurely so the power he gave Shuu was so incredible….

Nevertheless, Shuu does not take it to mind and freely uses his unique skill 【Detect】 in another world to search for materials, harvest them, eat them, make money off of them and lives a carefree life collecting materials.

A college student, Sakurai Hiroki was summoned to another world to defeat the Demon Lord. And since he got “Priest” as a job, his starting Recovery Stat was more than enough to heal any wounds, so he dumped all of his Stat Points into Evasion. In other words, he’s aiming for an Evasion Healer who will never get hit by enemy attacks. But unfortunately, people in that world couldn’t understand his ideal! The King got angry at him and almost immediately labeled him as useless! And thus, the story of how Hiroki become an odd Healer who can even avoid Dungeon Boss’ attacks with ease has started!!

Atobe Arihito is an intense workaholic thanks to his slave-driving boss, the beautiful Igarashi Kyouka. En route to an office vacation though, their bus gets into an accident, killing Arihito instantly.

His soul is transported to the fantasy world of “Labyrinth Country,” where he’s reincarnated as a “dungeon seeker”! Trying to join a guild and pick a job, he’s surprised to run into Kyouka, who also died and has chosen the job of “Valkyrie”! However, he rejects joining her party and decides to become the rare support role of “Rearguard”! But will he be able to find a party in time?

An ordinary office worker, Akira Ichijo, was attacked by a Minotaur on his way home from work.

In the next moment, he woke up in his office desk, Akira was resurrected from death, inherited his level and status, and possessed a unique skill called "Return from the Underworld" that allowed him to restart his life at a certain time.

Now Akira makes full use of his skill and everything he had to search and survive with his childhood friend Nao Nanase to face this cruel world!!

One day, the Marquess’s daughter Julianne suddenly regained the memories of her previous life and reflected on her behavior up to this point.

A life of luxury, bullying her siblings and stalking her fiancé...... A horrible personality and overweight appearance, devoted only to wrongdoings that belonged to the villainess of the novel she read in her past life.

In any case if it is a "serves you right" fate from now on, then it will be after I get a beautiful body and soul!

She, who thought this, started a diet together with showing a wholehearted devotion to her family —?!

(GS Team)

Akira is just having an usual day at his second year of high school when he and his fellow classmates get sucked into another world through a portal! This fantasy land is called Morigan, and is a world filled with Demons, Humans, Elves and other mystical creatures. As they get debriefed by the King of one of the continents on this strange new land, they were informed that each one of them will have a class, which skills can be conveniently opened and analyzed through a "status bar", and their objective is to train, become stronger, and repel the imminent demon invasion.

Only one of them, however, will be able to become the true.

Akira found out that he got the class and with heavily overpowered stats, surpassing even those of the class. Making use of his shinobi-like skills, including subterfuge, negotiation and stealth, Akira goes into thrilling quests and unveils secrets about this strange new world, including a meeting with a cute Elf girl and others members of a soon-to-be adventuring party where not everything is as it seems...

Noa Zuiho, a second-year high schooler with amazing tactical analysis skill, is brought to another world!

In order to save this other world from monsters, the goddess gives him the Power of Wisdom, which increases his tactical insight through... erotic actions?!

In an epic war between humanity and monsters, who will prevail? A brilliant strategist rises — with unorthodox methods and adult incentives to motivate his all-female army!

Celestine, the villainess, suddenly recalls her memories of her past life when she's at the altar, about to be married off to a Prime Minister twice her age and surrounded by the most awful rumours as a punishment for her misdeeds against the Prince and his lover. She realizes that this is the world of an otome game she played in that previous life, but more importantly than that, she also inherits past life's very specific tastes...

Horikawa Kento, a 35 years old man was transported into a different world with online game skills. His character is a 15 years old boy with absurd skill. [handsome], [well protected], [womanizer] and [sexual prodigy]. In order to survive in this world of monsters, how will he use his skills?

For some reason, he was invited to another world after he rolled the gacha like he usually does.
The gacha from the social game is available in his trusted smartphone.
It was a convenient and cheat tool that can give out equipment and beautiful girl characters.
He now aims to create the world's strongest army of beautiful girls in another world.