The manga centers around Noemi Kohiyama, a second-year student at Count High School, a school with no established reputation in the world of tankery. Her first match as a tank commander is against Saunders University High School. She directs the crew of her tank with her orders, and she follows the orders of their team leader. At that time, she remembers the words that her senior said to her.

In the future, humanity has been all but destroyed, only a small portion remains alive. A group of winged girls called angels must fight against the flying marine monsters attacking from the oceans.

From MangaHelpers:

Nagumo Yumi is an idiotic high school girl, whose post-graduation plan is to go to the US and become president. To her high school friends' amazement, she actually manages to make it to the US during summer vacation. After befriending some elderly veterans, she becomes convinced that joining the Marine Corps is the best way to move her dream forward. The waitress Linda Crawford joins her to sign up at the recruitment center, and she also meets friends among the new recruits, Rita Fernandez and Donna King. Will they have what it takes to become a Marine? [tethysdust]

In the Tearmoon Empire, the disdained selfish princess Mia was sentenced to death -- or at least, she was supposed to be! Instead, she woke up as her twelve-year-old self??

To avoid the guillotine in her second life, she won't repeat her past failures...

"F-for me, something of this level is an easy task!"

Ultimate self-defense! The strongest self-awareness!

Using her previously clumsy, timid princess image, she will go against fate- a once-in-a-lifetime fantasy of fixing history!

Student council president and secretary, accounting and general affairs Seishirou Watari and student council vice president Mizutani. Only two student councils. Busy or not. Suggest or try it. Two people, but fun every day.

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.

The story follows lawman Elmore Evans, who despite being one of the most amazing gunslingers in the West can't get rid of his bad luck in his romantic life.

Ex-idol trainee Kiyu has lived his whole life adored by everyone for his good looks. But he dreams of ordinary high school life, so when he puts on glasses to blend in with his peers, he finds that making friends is a lot harder when you don’t have your looks to fall back on. Not to mention he’s also socially awkward, his new seatmate has a permanent scowl on her face, and his fans have tracked him down at his new school.

From The Company:
Gods with everlasting lives. Sura who possess unrivaled power. And humans, caught helplessly in-between.
When Kubera’s peaceful village meets its fiery end, a mysterious magician named Asha comes to her rescue. Together they begin on a journey in search of answers and revenge. Meanwhile across the realms, a web of entwined fates is growing tighter. One by one the other players of the game will emerge, each with their own agenda to pursue.
At the center of this maelstrom stands Kubera, the girl with a god's name. Will this sixteen-year-old be the salvation of the world or its destruction?

A gyaru named Serina is reincarnated into the world of an otome game as a background character who is sold off by her family and now works as the exclusive maid of the game's villainess Almelia. Yuri romcom hijinks ensue.

One day, a picture book writer named Yorozu Hiraku was asked by his close online friend, Chintarou, if they could share a room together while he attended a nearby university. Although they only knew each other through online interactions, Hikaru agrees to it without much thought. However unbeknownst to Hikaru, Chintarou, despite having a male name, is actually a girl; a very well endowed girl.

A new teacher is assigned to Momotsuki Academy. Her name is Rebecca Miyamoto, or Becky. She is short, but she is pretty smart. This is a school comedy performed by Becky and strange students... and animals!?

Kazama Kenji likes to believe he is something of a delinquent. Moreover, others seem to like to agree that he is. Of course, Kenji's gang finds their way to a group of four not-so-normal girls - Chitose, Sakura, Minami and Roka - and all at once, whatever reputation he may have, is nothing compared to the outrageous behavior of the girls. Shanghaied into joining their club, what will happen to his everyday life from that point on?

Gandara's fusion fantasy novel, 'The Tutorial is Too Hard', is now here as a webtoon.

One day, amidst a boring life, an invitation message appears before my eyes. [Would you like to enter the tutorial world?]

Following it is a difficulty-selection window. [Easy] [Normal] [Hard] [Hell]. I select hell-difficulty without hesitation.

And I regret it.

I know it said hell-difficulty, but this is just too much.

The game has emerged into reality, the rules of the world have been turned upside down and humanity has entered the era of becoming players with the world set as a game stage. The only way to become a player is by leveling up to become stronger! The only way to rise to the top of the world! On the day of world fusion Lin Moyue chose to take on the sole hidden class, Necromancer. From then on, Lin Moyue would not die until his summoned creatures died out. “I sit on the throne of bones as the God of the dead and walk between life and death.” “I am a walking catastrophe!”

Shogo Ban is now a chef at Ristorante Legare. As the Yokohama branch of the Trattoria Baccanale he used to work at, he has been entrusted with the responsibility of head of the pasta section. Rejoin Ban as he struggles to meet the expectations of work and develop his personal relationships.

Kugayama Hajime, a boy living in the countryside, comes back to his old classmate Momose Akira, whom he used to admire.

Just as he is about to watch her from afar and enjoy his sweet and sour youth, Akira makes an unexpected approach.

And there was a “fate” that was more than he could have imagined.

Even in this day and age, Ninjas walk among us, hide within plain sight, still waiting for their mission orders. However, for some, it takes much longer to receive orders than others! Meet Kumogakure Kurō, a NEET and a Ninja. After being a long time without work, he finally receives orders from the higher ups!

From Aerandria Scans:

It's the 16th century and the knights of the Mediterranean country Malta take pride in being the strongest in the world. Aciel is a beautiful lady-knight who gradually makes her way into the group of the knights, despite the fact it's forbidden for women to be knights. Learn the tale of the magnificent knights whose charms neither friends nor foes can resist!

You know that one series where the main character gets sent to another world, but his mother gets sent with him, and she’s super overpowered but also really doting to the MC?

Yeah, replace “mother” with “big sister” and you have a good idea of what this series is about.

Anyway, join Asahi Ikusaba and his big sister Maya as they have adventures in another world.