Saitou is an ordinary handyman that gets transported to another world where his skills are very useful. He starts to really understand what it means to be needed.

“Daddy!” The dragon blinked as the wee little human called out to him. Him? Her “Daddy”? Powerful enough to have been venerated by humankind, yet warmhearted and even a tad ditzy, the dragon soon finds himself raising and doting on the precocious Olivia as if she really were his daughter in this touching tale. The toddler may be impossibly cute now, but just you wait—she’s a curious child and she’s growing up real fast. You can bet that one day, she’ll be the strongest human there is! But first, how will he handle little Olivia receiving an acceptance letter to a human school?

Web Novel: https://ncode.syosetu.com/n5327ft/

A 29-year-old single man is transferred to a different world to improve the "agricultural skills", starting with a chilling home vegetable garden in the secluded forest!

Shino Chigasaki is a high school girl who dreams of experiencing a romance likes those in shoujo manga. On the day of her high school entrance ceremony, she drops her commuter pass and the guy who picks it up bears a striking resemblance to the handsome boy in her dream...! Shino has been shot through the chest with Ichinose-kun's little gesture!? The comic version of "Kaishin no Ichigeki," a song written by Amatsuki, a popular singer.

Manga adaptation of the music video of the same name by Amatsuki.

Links:
Amatsuki ver.: https://youtu.be/Q7AVA1e0qN4
Hatsune Miku ver.: https://www.nicovideo.jp/watch/sm33546188

Magnus, a mage who always got yelled at “just shut up and follow my orders!” by the Hero because he was deemed “useless”. One day after getting fed up with his party he left, upon leaving he met a merchant that sold him a mysterious book.
And it turned out that the book which was written in the god's language was actually an ultimate encyclopedia book that had a lot of useful information on how to defeat the Demon Lord!
Thanks to that book, he was able to know about boss monsters' weaknesses and raise his level more efficiently, data about important people, and it even had info on complete gourmet spots in any city! Moreover, by using his wits and scheming mind, he's even able to outclass the hero party! With the ultimate encyclopedia in his hands, advance to the true route to defeat the Demon Lord!

Magnus wasn't chosen by destiny to be the hero. That's why, He's going to beat the Demon Lord with his own power and wits and save the world.

Suddenly living together with the most easily flustered man!? A gap love, a difference in age and generation!

Gaku, the somewhat nostalgic young delinquent, showed up in front of Akira, a high school teacher around thirty years old. Moreover, why are they suddenly living together!? This is the heart-throbbing, awkward love between Gaku, a cute, earnest, slightly foolish boy who likes to look good, and Akira, an older woman who unconsciously leads him around the nose!

In this world, the concept of levels exist.
Other than those who live off defeating monsters, most people are only around Level 1 to 5.
What's more, not just anyone can go out to hunt monsters; it's heavily influenced by one's role appointed by God.
There are eight such eligible roles. Warriors. Fighters. Clerics. Magicians. Rogues. Merchants. Hunters. Sorcerers.
Those blessed with extraordinary power are divided into three types. Royalty. Heroes. Sages.
But for the majority of the population, they have no such powers and live by farming or running shops. Towns are developed by those with the weakest role... Villagers.
For the powerless Villagers going out to hunt monsters is equivalent to committing suicide.
But one day, a certain two-year-old child given the role of Villager notices something.
Once you defeat a monster... you can earn great wealth.

Marz, who has the unique skill [Lender's Skill], lends the acquired skills and contributes to the party. However, after being betrayed by his friends, Marz takes back the skills he lent them. Marz who became the weakest to the strongest began to take the path of revenge and counterattack!

The series follows Kyouko Okita, a buxom housewife who's just recently moved into a new neighborhood with her husband. There she tries to adjust to her new neighborhood, make new friends, and deal with the quirkiness of her everyday life.

From Matteiru Scans:
The events of a schoolgirl's sixtieth birthday.
Kisaragi Sumi continuously took care of her grandmother, father and mother until she turned 60 years old without ever falling in love. One day after finishing her mother's funeral service, a cat calling himself Rei appeared and granted her wish to "experience her youth again". What happens when Sumi gets a second chance as a 17-year-old high-schooler once more?

A series between the expressionless drugstore clerk, Sa-chan, and her boisterous childhood friend who's head over heels over Sa-chan but hesitant in confessing his love for her. Join them in their romcom-packed everyday life working at a drugstore.

Natsukawa Tsubasa has just moved from Tokyo to Hokkaido, in the middle of winter. Not quite appreciating how far towns are in the country, he gets off the taxi at the next town over from his destination, so he can see the sights around his home. But he is shocked when he learns the "next town" is 3 hours walk away. But he also meets a cute Dosanko (born and raised in Hokkaido) gyaru named Fuyuki Minami who is braving 8 degrees celcius below 0 weather in the standard gyaru outfit of short skirts and bare legs!

Shiori was a veterinarian who died in a traffic accident and was reincarnated as the daughter of the Duke, Luna. She learned that there were animals in this new world that couldn't be found in her original world and dreamed of meeting them someday. However, her engagement was suddenly annulled one day and she was banished from the country. With that, she decided to embark on a journey to meet new Mofumofu! "Wait for me, my beloved Mofumofu!" Luna's love for Mofumofu explodes!

In the Edo Era! Tsukimiya Matsuri, a beautiful girl who is admired by everyone, is facing a big problem... The man she loves, Tsukimiya Yonosuke, is not interested in her. She confesses her love to him in a very mature way, but he doesn't take her seriously... because they have grown up together since they were children and are like a family! Matsuri has placed herself too much as "part of his family"! It's a shame... Matsuri-chan!

But Matsuri has a reason for wanting to change Yonosuke. In exchange for his life, Yonosuke wants revenge on the general who killed his former love. Seeing him use his entire life for reckless revenge, Matsuri decides.... "I will be his reason for living." To get him off the path of revenge, she wants to fill his head with herself so that he can forget his revenge. Even if the other party thinks of her as "family," the dedicated and healthy Matsuri will not be defeated!

The beginning of a courageous action-comedy Edo Era love story! Hang in there, Matsuri-chan!

A spin-off of Kobayashi-san Chi no Maid Dragon focusing on Shouta living with Lucoa as his familiar.

Before I realized, I had become the guardian of a dungeon, a Demon Lord. I was suddenly in a dangerous world with giant monsters loitering around, fighting for their existence, so I thought to go about developing the dungeon in order to not die but —- for some reason I was having quite the good time…. How did it turn out like this?

The protagonist, Yuki, having to live in that world now, uses his bold and sharp senses and spends time with a supreme dragon girl and a vampire girl; Sometimes laughing, sometimes being angry, passing days doing what he likes.

Raul who had defeated the demon king as the strongest hero should have become the savior of the world.

Having his treasured companions and family killed by power hungry aristocrats, he was executed with false charges brought against him by the princess. Just before his life collapsed, at last his heart fell into darkness.

...I will tear those traitors from limb to limb. Burn them at the stake. Sever them to pieces. Skewer them. I will kill every one of those bastards without mercy and make them taste hell's suffering.....!!!

Obtaining the power of darkness, Raul was revived. Sneering, he vowed revenge.

“Oh, I’m looking forward to it – from now I'll bask in their blood as I please.”

Several days after the hero's revival in the imperial capital where flowers bloomed in profusion, the parade that would advance towards tragedy began.

After his little sister got raped & killed herself, a teenage boy took revenge & killed her rapist in return.
7 years later the boy's released from prison, determined to kill himself due to insufferable guilt but then he's confronted by the rapist's daughter. A dramatic tale of guilt & atonement.

The world's only one best CEO, Han Yoo Hyun. He leaves everything behind and relives his life!

Han Xiao, a veteran player of the game "Galaxy" died unexpectedly in the middle of doing a leveling request. He was transmitted to the game world ten years earlier and became an NPC with a player's panel and was reborn in the base of the game's villain. In order to survive, Han Xiao resolutely chose the "Mechanic" occupation and concentrated on cultivation. Familiar with the iterations and rules of multiple versions of the game, he vowed to lead the army of machines, overthrow the villains, and rise from scratch to become the strongest.