From Shoujo Sense:

Pinch server Shimodaira Kanna enters high school with the hopes of appearing regularly in volleyball matches even though he sucks at everything aside from serving. The club he enters has three other formidable first years. But that's not all, even the older members look like a strong team. Will he get his chance to shine?

Famicom Rocky is basically Rocky the movie, but with old NES-era video games. The series stars an ineloquent brute of a protagonist who has long, extensive training montages so that he can dramatically compete against vaguely imposing rivals who, for narrative purposes, are deluded into thinking they're better at video games than him.

Manga adaptation of Fate/Grand Order.

1. Sakura no Hanasaki Kukoro

2. Family Plot
Losing your memory is not only painful for themselves, but also for people who love you. Hideyuki, a photographer, tries to find the memories that bind him to his son and the woman he loved.

3. Taxi Driver
A story about a vampire who works as a night taxi driver. His victims are his clients...or so it should be, for his good heart often remains with dry mouth, and when a young girl asks for his help, the real trouble begins.

4. Shoujo no Kisetsu - Summer Dream
Misako was always afraid of water, a distant memory that resurfaces in her dreams, until she finds herself trapped in a strange realm, somewhere between her dream and her past....

The story centers on an ordinary high school boy named Keita Amano. His hobby is video games, but apart from that, he has no conspicuous traits, and has never been in love. As Keita continues his gaming life, he suddenly becomes involved with Tendou Karen, the most beautiful girl at school and the president of the school's video game club. She shocks Keita when she asks him to join the video game club.

Watch how their relationship evolves and becomes more complicated, especially when other gamers come into the picture, creating all sorts of misunderstandings and drama.

The luck that was missing from my life, came all at once before quitting the game.

Lee Ki-Ho, who tried to turn his life around in the world’s first virtual reality game , claimed the rare item not one in 4 billion players ever came across!

"Isn't this a real life changer!"

The terror man and the revival man finally meet. "Destruction is the beginning of resurrection". The whole world is in danger with the birth of a new evil. Min Jung-woo has the ability to see misfortune and Seok-hwan has the ability to come back to life. The two heroes made different choices…Who will be the final victor?

A romantic comedy where Tomoyuki is married to a demon for a wife, a literal honest to goodness demon.

Na Kang Lim, a high school student who enjoys reading webtoons, experiences a strange event one day when the female lead from his favorite webtoon appears before him. Even more surprising, the same incidents that put her in danger in the webtoon start happening in real life. The problem is, there's no protagonist in the real world to save her! Ultimately, Na Kang Lim takes on the role of the protagonist, looping through time to save her.

"Now that I'm back, I won't allow my loved ones to die again!"

The Shadow Labyrinth - the most catastrophic existence humanity has faced in history.
Desir Arman is one of the six remaining survivors of mankind within it.

The six attempt to clear the final level of the labyrinth but ultimately fail, and the world comes to an end.

However - when Desir thought he would meet his demise, what is revealed before him is the world... thirteen years ago?!

Desir is returned to the past, back to the time when he enrolled at the nation's finest magic academy - Havrion. He is reunited with his precious friends, and is prepared to change the past to save the world and his loved ones...!

Three years remaining before the emergence of the Shadow World!
Change the past and gather powerful comrades to save mankind!

In ancient China a young fighter named Chinmi goes to the Dairin temple for advanced training. He eventually must leave Dairin temple to go on a pilgrimage where he meets many challenges to test his skills.

Won the 11th Kodansha Manga Award for shounen in 1987.

Han Jee-Han, a normal high school student, suddenly develops a special power where his entire world is shifted into a game-like setting. He can see the power levels of people, look at the stats of a seemingly normal item, get abilities, and even level up! Follow Han Jee-Han as he discovers how to use this power, and maybe even where it came from.

Description from Line Webtoon:
What if your life is just like playing a game? What if you can upgrade your status and gain more levels? A fantasy world is coming right at you!

After being beat up and put into a coma by eight of his classmates at Nun'Gwang Middle school, Se'young woke up after nine long months and found out that his father committed suicide by self-immolation in an attempt to get justice for what happened to him.

As a result, the investigation re-opened and that attackers who tried to sweep it under the rug received a proper sentence for their crimes. But Se'young was unable to assuage the anger and fear he felt for the unjust world.
Se'young thoroughly hid himself from this sort of world.

The sun would rise and set, the seasons changed, and not once did he step outside of his home. But one day, a sudden and strange sound enticed him to open the door…

Embedded in the center of the rooftop was a gigantic blade emblazoned with the words “War Sword” and with it, came the whispers of a God.

Front-line stories of the Defense Force not covered in the main series!

A fluffy romantic comedy between an overprotective pastor, and a beautiful saint.

As they live and work together, how will their pure love bloom?

A normal office worker, Toru Minasuki, was swallowed up by a dimensional fissure and reincarnated into a different world. Upon reincarnation, Toru was given a [skill board] by God. Make the most of it to acquire all the necessary skills! Even though he is an "inferior person," he'll make his way to the top!
Webnovel: https://ncode.syosetu.com/n8516fu/

One day, Our plain protagonist suddenly got 2 sisters, a big-breasted gentle older sister type and a devilish cute little sister!?
A slightly exciting family romantic comedy! (more boobs and loli cliche)

Pixiv: https://www.pixiv.net/en/users/4677314
Fanbox (18+ NSFW): https://kirisaki.fanbox.cc/

The young Arsrod (Arusuroddo), is eagerly waiting for the day that he’s granted a “job” in the temple. In this world when one reaches adulthood, they are granted “jobs” like swordsman or magician by divine revelation, among them the one said to be the strongest is magic swordsman.
Arsrod is the illegitimate second son of a small feudal lord, and the seat is already succeeded by his elder brother who already put him in the front lines, he’s in a position that could lose his life on the battlefield any day. If he became a magic swordsman, a job that was possessed by the famous heroes of the past, he could change his situation.
However, the job that’s granted to Arsrod is not magic swordsman nor any of the other common jobs, it was a mysterious job called “Oda Nobunaga” that none of the temple’s people knew anything about. This job makes one’s battle power become the top-level in the battlefield, gives administration capabilities that allow to turn a small city into a big commercial city and it also elevates the leadership of the troops, becoming a Maou capable of building a country!
Before long, Arsrod defeats his elder brother and becomes the feudal lord. Furthermore, he prepares himself to become a king and build his own country, considering it to be the shortest route to protect the important persons in his life and his people.

One day in a sunny leisure day, a woman visited my house and asked me if I’m interested in managing a dungeon along with support from a goddess. But of course, I refused. Eh? I shouldn’t ignore a person in trouble, moreover if it’s a beautiful woman? No way, that’s too bothersome and why do I have to do that? I’m perfectly satisfied with my comfortable life now, throwing it away is just overly stupid... Sigh, fine. So I just go to another world, become a dungeon master, manage a dungeon, and deal with a mana circulation problem? Understood, but how to do it? Let me show you how...

Masashi Kitazawa, a sophomore in high school, had a trauma. The trauma is that I was fat when I was a child!

Kitazawa, who diligently dieted and worked hard in middle school, grew up to be a handsome man and was supposed to lead a peaceful school life, but... In the new semester of high school, handsome men and beautiful girls have gathered in Kitazawa's 2nd year class A for some reason. What's more, he received a secret invitation from Ayame Yagyu, the most beautiful girl in her grade...!?