In a fraction of a second, an university student, Kashiwagi Yuuya was summoned to another world and came back. Time didn’t pass in Japan, but Yuuya has completed the quest as a hero in another world and successfully returned. But to his surprise, he still retains his powers as a hero. Thus started the unordinary life of a hero in present day.

The popular Isekai but not Isekai web novel is now in manga form!

WN Raw: https://ncode.syosetu.com/n7294dm/

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.

Depicting the story of a shut-in, Kirihara Yukito, after being reincarnated into another world.
His peaceful life with his precious caring sister, Sana, suddenly come to an end when a beast appeared and attack them, thus reincarnating him into the “Ever World”. Moreover, knowing that Sana also got reincarnated into the Ever World, for the sake of finding his beloved little sister he begins his journey in another world…

The journey to the martial peak is a lonely, solitary and long one.In the face of adversity,you must survive and remain unyielding.Only then can you break through and and continue on your journey to become the strongest. Sky Tower tests its disciples in the harshest ways to prepare them for this journey.One day the lowly sweeper Yang Kai managed to obtain a black book, setting him on the road to the peak of the martials world.

Losing his memories, the curtains of the story of alternate world transfer of the MC rises. After the transfer his name changes to Kelvin. While steadily levelling, he adds new subordinates by mastering his skill. And by the time he noticed it, he had obtained overwhelming power. Where will our MC be heading off to?

A male to female ratio of 1:359?! Saotome-kun is admitted into a school full of gyarus.

Takuya Seo is an otaku who likes "anime for girls" and can't say he likes it out loud. One day, he hooks up with two gals from his class, Amane and Ijichi, but it seems that Amane is also an otaku... It's about a school romantic comedy where the otaku meets the gals he like!

The warrior Hamel went on an adventure with his companions to defeat the Demon Kings, but after dying just before the final battle with the Demon Kings….

“Waaah.”
‘What the fuck!’

He was reincarnated as the descendant of his fellow warrior, Vermouth.
Hamel — no, Eugene Lionheart was reborn with the blood of the Great Vermouth.

‘My previous body held enough talent to be mistaken for a genius, but this one… there’s just no comparison.’

With a body that had higher specs right from the start, he showed explosive growth that far surpassed what he had achieved in his previous life.

Along with the unknown reasons for his reincarnation came the uneasy reality of having to coexist with demons.
He was faced with a world that made him question everything he had believed in.

Gifted with this extraordinary body since birth, as Eugene, he begins walking down the unfinished path from his previous life.

The hero, Chloe, is a strange hero who demands a bounty when saving people. And what makes it different is the prize... He only likes married women, so he demands the prettiest Milf in town.
"If you want me to save the city, give me the most beautiful milf"
A unique erotic Fantasy story created by a hero!

Inuzuka Yuu is unable to make any friends due to his mean face and awkwardness. But because of his enrollment to high school, he has the opportunity to enter the dorms. However, it was a share house between 6 people, 3 girls and 3 boys filled with secrets!?

From MangaHelpers :
High school student Misumi Makoto is called into a fantasy world by the god Tsukuyomi, in order to be a hero. However, powerful others in this world aren't as thrilled to have him there, and they kick him to the edge of the world just as Tsukuyomi declares that he must leave Makoto to find his own way. Now it's up to Makoto to find his own way.

A moving girl figure are back. A love comedy of the everyday feeling that a super-movable girl wraps around a nerdy boy, Haruto!!

“I just want to live a normal life, why is this happening to me!” Your average student Ham Dan, whose hobby was reading “Law of Insomnia” wakes up to a beautiful novel like heroine. But even in the world of fantasy novels, her role is no different. Stuck as the childhood friend of the heroine, her normal everyday life comes to an end, becoming more twisted by her strong character.

Kamihate Uryuu, orphaned since childhood, receives an invitation to stay at the local Shinto shrine. All he wanted was a quiet place to study so that he can fulfill his dream of making it into a top medical school, but after arriving there, he comes across three beautiful shrine maiden sisters... and the head priest requests that he marry one of them and take over the shrine. A tale of love and miracles is about to unfold!

Written by the assistant of Negi Haruba, the author of 5Toubun no Hanayome, who recommends this work.
(Full serialization confirmed on author's twitter).

Imaizumi is a high school boy who lives alone in his apartment for a reason. He has a secret that he can't tell to anyone. And the secret is that he lives with the top three Gyarus (gals) of his school, Hamasaki, Kurumozaka, and Sasaki. He spends his day playing, talking and getting physical with these Gyarus, all of whom have a quirk or two. Imaizumi-kun is getting more and more addicted to his lazy, naughty and free "youth"...?

Liam Sera Banfield is a reincarnator.

He was reincarnated into a fantasy universe of swords and magic, but at a time that civilization was already making advancements into outer space. The setting takes place in an intergalactic empire, a space opera-like universe where humanoid weapons and spaceships do battle. Liam, who had incarnated into an aristocratic family in a monarchic society, has the ambition to one day become an evil lord. In his previous life, Liam had unfortunately lost everything and died in despair.

"It’s foolish to live for others. I will live for myself."

Holding those feelings in his chest, he starts towards his second life, but is instead worshipped as a virtuous ruler from his difference in values. Will Liam be able to safely become an evil lord?

The strongest doesn’t need any cheats!

Haruka, who spends his high school life a loner, was suddenly summoned to another world one day along with all his classmates.

When ol’ God enters the picture, Haruka believes he can just choose whatever cheat skill he wants to help him survive in the new world...
But, contrary to his expectations, that list of cheat skills works on a first come, first serve basis. And so, his classmates pick out all the cheat skills.

His choices now limited to leftovers, Haruka finds himself incapable of assembling a party due to his own “loner” skill.
Even though it’s a different world, it seems his adventuring days will be, as per usual, a solitary affair…

After becoming aware of a crisis looming over his classmates, Haruka makes a silent vow to save them. No relying on cheats!
He will walk a heretical path of strength that transcends the need for them.

The curtain rises on the strongest loner’s otherworld strategy guide!

A romantic comedy about Nagi going to a meeting with her real parents, and about Erika, who is tormented by an unwanted engagement!

Tens of thousands of big shots submit at his feet yet he says, “I’m really just a mortal...”
The overpowered protagonist who’s simultaneously the weakest in the world.

Leon, a former Japanese worker, was reincarnated into an “otome game” world, and despaired at how it was a world where females hold dominance over males. It was as if men were just livestock that served as stepping stones for females in this world. The only exceptions were the game’s romantic targets, a group of handsome men led by the crown prince.

In these bizarre circumstances, Leon held one weapon: his knowledge from his previous world, where his brazen sister had forced him to complete this game. Leon, who really just wants to to live as a shut-in in the countryside, uses that knowledge to raise a ferocious revolt against the women and handsome men.