Noble young ladies were often said to be either rude and ill-mannered, or hopeless airheads with nothing but flowers in their heads.

Even in an age filled with such rumors, there was someone who taught them.

A commoner named Derrick, who awakened to his talent for magic and rose to prominence as a mercenary, is one day invited to serve as a magic tutor for noble young ladies.

As Derrick proves himself a star instructor— turning spoiled aristocrats into proper “people”— prestigious noble families begin lining up with offers of their own.

“There are no bad noble ladies.”

At least, not in front of Derrick.

A man who was once called the world strongest agent ended up becoming a teacher after his retirement to train the new generation of agents. After many years of training his disciples, he is killed at the age of 60 by the ploy of a secret organization and was reincarnated in another world with all his past memories.

Though he was surprised by the magic and the strange species of that world, he adapted very fast to his condition as a newborn and took advantage of it. He acquired special magic and gained a massive amount of strength thanks to his tight discipline, in order to reach his goal: Resume his career as a teacher which he left halfway through in his previous life.

This is the story of a man, who, based on the memories and the experiences of his previous life, became a teacher who travels through the world with his students.

Waking up, Kim Hajin finds himself in a familiar world but an unfamiliar body.

A world he created himself and a story he wrote, yet never finished.

He had become his novel’s extra, a filler character with no importance to the story.

The only clue to escaping is to stay close to the main storyline.

However, he soon finds out the world isn’t exactly identical to his creation.

Kotesashi Kouyou is the protagonist who possesses outstanding skill as a masseur. He aspires to become a sports doctor and wants to get scholarship in medical school. Starting spring, he will attend the high school attached to Seiwa University, a sports powerhouse. Since his family is not wealthy, he has to work as a hostel manager where he is allowed to stay in order to pay for his school expenses, however, there he encounters high school girl athletes with various problems. Kotesashi's job is to take care of them physically and mentally, as well as being the hostel manager. School girls from sports clubs and massages! All this will start a life full of intense excitement in the dormitories!

Lewd (wild) sisters will listen to all your troubles ♥

In a world where Takafumi, the hero who defeated the Demon Lord, is worshiped as a god, Scott, a young priest, is assigned to the Church of Karma to spread the religion of Takafumi!

However, there is a problem with this church. The problem is that all the nuns here are… super, super, super naughty!!!!! They were all problematic children that they could not be accepted anywhere else!!!!!! One of the sisters would get totally drunk and cause trouble. Another sister held wild orgies with the villagers. And the third sister was so delusional that she would spread lewd rumors all over the place! Can Brother Scott rebuild the church, which is no longer attracting worshipers because of the strange sisters?!!!!! Or will Scott's rational thought be overwhelmed lust for the sisters first?!!!!

An ecchi fantasy, swirling with lust, set in a church! I'd go to a church like this every day!

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?

A boy named Atsumu was branded as "useless" by his famous sisters and banished from his entertainment-industry family. However, hidden within him was an extraordinarily talented "behind-the-scenes support" skill that neither he nor his family had noticed! After transferring schools, Atsumu is now determined to live a normal life, but as he crosses paths with talented entertainers—VTubers, idols, and models—his natural ability starts to shine, making him their indispensable support. They can't help but adore him, turning his simple wish for normality into a showbiz underdog success story!

Eiyuu (A.U.), a high school boy, has a problem! Two childhood friends "Shio" and "Akari" who go to the same high school are too cute! If they find out that I'm the only one looking sexually at them now that they've grown up, even though I have no intention of doing so... that would be too much! On the other hand, the two childhood friends also have their own secrets...? It's so awkward! It's complicated! But childhood friends are the best! A sweet and impatient love triangle love comedy where you can't be honest!

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.

I’m Shinomiya Hokage, a 3rd-year high-school boy who dreams of a survival life. One day, everyone in my school transferred to a mysterious island in a parallel world. I woke up in an unknown cave and I started moving on my own. Then, I met up with some of my classmates. My knowledge and tools in survival shines through. I was a plain guy in school but I’m the leader in this world.

Exploring undeveloped unexplored regions from scratch! Creating and building a city with plant magic!
The boy Elt, who reincarnated as an aristocrat, was branded as incompetent and was thrown out as a manager of a remote area with zero territories.
However, his "plant magic" was the best all-purpose magic for territorial development! As
he cultivated by utilizing the magic that produces from crops to buildings and the knowledge of the previous life , the number of territories increased and became lively.
Moreover, the territory that should have nothing is actually a treasure trove.
A pioneering record of a different world, the opening of comicalization!

There is a world where there is no end to those who seek spirits and those who hunt spirits. In this world, there was a baby who was abandoned by his real parents as a detester to black hair and black eyes. The name of this child is Wilm. Picked up by the spirits, he grew into a summoner who protects his beloved sisters and the beloved village.

"I won't tolerate the guy who dares to touch my family!"

The blunt and summoned beast sisters shake the world. An exhilarating summoning battle fantasy begins now!

The Magician named Yard was suddenly summoned in different world as a Hero. The sorcery in this world is behind compared to Yard who came from another world. The other summoned heroes are also unreliable. Furthermore, it is not possible to return to the former world... In such a hopeless situation, Yard chuckles to himself. Get ready, humans of this world. This world where witchcraft is behind. I have enormous toy in this box. allow me to play with it. The Villainous magician named Yard tramples down the other world with overwhelming Dark magic!

Da-in, ended up possessing the villain of a story.

To make Stardust — the story's protagonist and his favorite character in a dystopian manga — happy, he resolves to become the villain Egoistic for her growth.

Da-in deliberately causes terror to enhance Stardust's abilities and preemptively prevents all the tragic events from the original story, but in the process, he gains public support while also drawing Stardust's suspicion.

Stardust, who initially opposed him, gradually opens her heart, and soon even begins to show signs of obsession towards him...?

Naofumi Iwatani, an uncharismatic Otaku who spends his days on games and manga, suddenly finds himself summoned to a parallel universe! He discovers he is one of four heroes equipped with legendary weapons and tasked with saving the world from its prophesied destruction. As the Shield Hero, the weakest of the heroes, all is not as it seems. Naofumi is soon alone, penniless, and betrayed. With no one to turn to, and nowhere to run, he is left with only his shield. Now, Naofumi must rise to become the legendary Shield Hero and save the world!

Yajima has been able to see spirits since he was small. At his new school is a room that nobody else can see. And inside is a spirit who loves playing video games.

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.

"Spring! My college debut! The blossoming of my sexuality! Even now, I can't cum without being harassed by them." An unfortunate story in the spring of youth.

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)

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.