From Anime News Network:

Tatsumi Karasawa becomes the owner of host club "Shinijuku Sokai" in only two days. He leads a group of amateurs who aren't afraid of gangsters, police, or so-called "professional" organizations. Without fear, he walks the difficult path leading straight to the top.

Nanami died in her previous life, but an Angel suddenly appears before her then gives her a second chance!? But... Miss Angel reincarnates her as both Hero and Demon Lord?!?! Poor Nanami has a tough road ahead, against herself!

From MangaHelpers:
In a world where humanity has turned into prey against the so called "white skin" creatures, one legendary figure known simply as "Ryuma" continues to give hope to this post-apocalyptic society. This individual has many faces and descriptions, but his/her legend has lived continuously in the hearts and minds of the people for half a century. No one knows where this legend started or who started it. Here starts a chronicle to unveil the mysteries of a legend.

The wizard Haru spent his days being abused by the hero, his childhood friend Leticia, when one day while being scolded he thought to himself, "This is no good". And thus began Haru's adventure to regain his true self! The curtain unveils on an other world "redo" fantasy life!

The intense gun action story is set in the United States in the aftermath of the American Civil War. In the chaotic atmosphere of the postwar period, the northern government issues Licenses to Kill to bounty hunters in order for them to take out the South's remaining soldiers and outlaws. One of those bounty hunters, a female gunslinger known as Black Tiger, faces off against dark enemies who carry fiendish weapons.

In the near future, the world is a desolate place occupied by the undead. Strange crystals emit a deadly zombie virus as the last remnants of humanity struggle to avoid infection and survive. Despite all this, life is relatively peaceful for young Ruby, who lives in the Amina Safe Zone with her father and a small band of other survivors. All of this changes when Ruby encounters Arvan, a white-haired young man with pale skin and no heartbeat. This meeting sets off a series of events that force Ruby and her father to embark on a journey to discover the truth.

The inside of the taboo door is shattered, or...

Weak-looking Hwasan doesn't seem to be a man that fights on the front lines. Instead, he is a brilliant man who passed the civil service examination twice due to his outstanding character. Furthermore, he is also respected for his close connections with various kings and officials.

But his identity is none other than the only successor to the HwaSan sect. He usually stays in his room and reads. However, in the rare instances that he does use his body, it is only to clean the yard or do light exercises.

One night, he shocked everyone by entering a conflict to save disciplines of the HwaSan sect and fought on the front lines. In that event, the ridge where the HwaSan sect was located burned to the ground, leaving their threshold destroyed. A bunch of fake masters appeared and massacred all of the disciples and even the young. In response, Hwasan displayed great combat skills to take them down and protect the disciples of the HwaSan sect. To find out the mastermind behind the attack and what their purpose was, Hwasan revealed his identity to the world.

After hiding his identity for countless years, high-ranking officials and powerful forces began tearing each other apart, collapsed in front of him to make the Hwasan sect a powerful group.

In a city where the law has been rendered non-existent, Yuki and his best friend Tetsu break into the offices of the Seidoukai to steal in a desperate attempt to finance his ailing brother's hospital bills. They ultimately fail but instead spark the interest of the mob's young leader, Kazutaka Hyodo, who offers Yuki a deal he can't refuse: pay him a visit at his office once a week and all hospital bills will be taken care of. Yuki accepts without hesitation and in order to keep his end of the deal, starts paying Hyodo the visits he asked for...

Russel is a [saint] who was an expert in recovery magic. he was in a group with his childhood friends until the rest of the members learned recovery magic. Branded unnecessary and expelled from his group of friends, he meets a mysterious beauty named Sybilla. His infinite magical potential, combined with her guidance now allow him to reach heights once deemed impossible!

"I'll turn the tables on the main character!"

Yohei Mochizuki, a new student at a [geist] user school, was bullied by his classmates because his geist partner, a [Goblin] by the name of Gobubi, was weak and ugly. However, one day he discovered a "wiki" and realized that he was living inside a game world, and his situation changed for the better! "No more tears. Let's take revenge on the main character together."

Yohei took full advantage of knowledge about the game to evolve Gobubi into the strongest natural beauty! With this, he can look back at his classmates and stand next to the senpai of his dreams! But just as he was finally able to obtain happiness, but then I was suddenly challenged to subjugate a domain boss by a beautiful foreign exchange student...are these problems that happen as you get stronger?

This is the fairy tale story of a boy who resists fate as the game's loser character and the weakest [Goblin], who together, aim to become the strongest!

Although Craft carries an adventurer's life with a magician's crest, he had overwhelmingly low talent for a magician !! Due to his lack of talent, his parties continued to fire him. On the recommendation of an official he changed the crest. With the new crest, he became the legendary "Alchemist of Twilight!" Craft, that has been reborn from the weakest magician to the strongest alchemist, defeats strong monsters with his newfound abilities!

A legendary alchemist's slow life fantasy!

Felmenia Stingray was a genius magician. She quickly became the most distinguished magician of the Astel Kingdom after her discovery of white fire magic, which had the power to burn anything.

However, the world is in peril due to the Demon King. The kingdom's court magicians perform a summoning ritual for heroes and bring forth a hero and two youths, a boy and a girl. Unlike the girl, the young man refused to fight the Demon King alongside the Hero and demanded to be sent back to his world. The kingdom, angry with his behavior, locked him away.

Now Felmenia stands before the same young man with her strongest magic, the white flame, being completely useless and asks who he is. It was already obvious to her that this man was far stronger than she was. To this he simply responds.

"Yakagi Suimei, a magician."

Once, there lived a fearless girl who could defeat even the strongest of beasts with her bare hands. She was the strongest person living. Thousands of years later, the same girl from the stone age has lived to learn what romance is. Will her strength scare everyone away, or will it let her fall in love?

A blessed Hero. A vicious Demon Lord. A common objective.
An epic battle between good and evil whose outcome will shape the new era the world will enter has reached its endgame...
However, things aren't what they appear to be and plans take an unexpected bend.

Pokemon Sword and Shield Manga Adaptation, featuring Gear Meister Soudo and Schildemilia.

Tenka is a chad virgin sigma male who will use his di-- I mean his holy sword to defeat all the succubi because nonconsensual sex is wrong, kids. He teams up with the Holy Maiden Amelia (with an A) who also uses less-than-traditional weapons.

21-year-old Jang AnCheol has been on fast-track to success when he is cursed by a classmate he had bullied 3 years ago in high school. Now placed in loser’s body he had bullied 3 years ago, he is tasked with stopping 4 “Life Completely Ruined” incidents as well as rehabilitating his past self in order to undo the curse. How will he navigate his way through his past self and his cronies torments?

From the author of "Lookism" and artist of "Free Draw".

The power I posses is the strongest in this world! The enemies I must defeat... are humans!?

I was Suddenly transported to another world. Being called the ‘Suitable One’, with the world’s strongest power “Holy Sword”. I thought I would be using that power to make a great impact in this new world. However, in this alternate world there are “inhumans”; Monsters that oppress the lands. Questioning my own convictions, I ask, is this correct? Who should I use this power for? This is the beginning of an Isekai battle fantasy!

A sequel to the original Gamaran manga focusing on Gama's former rival, mentor and friend Sengoku Iori.