In the Edo period, there was a shrine maiden called "Itsukihime" in the mountain village of Kadono. Jinta, a young man who acts as the shrine maiden's guardian despite being a stranger, encounters a mysterious demon who speaks of the far future in the forest where he went to defeat it. From Edo to the Heisei era, this huge Japanese fantasy series follows a demon man who travels through time while continuously questioning the meaning of wielding a sword.

Am I "necessary" in this world? What is the true nature of the person called "Muzina" who flies in the sky with a sword on her back in the midst of ordinary life?
What is man, what is society, what are human rights, and what is happiness?

From Wikipedia
In the manga and anime, Tiger Mask (whose real name was Naoto Date) was a feared heel wrestler in America who was extremely vicious in the ring. However, he became a face after returning to Japan when a young boy said that he wanted to be a villain like Tiger Mask when he grew up. The boy resided in an orphanage, the same one that Tiger Mask grew up in during his childhood. Feeling that he did not want the boy to idolize a villain, Tiger was inspired to be a heroic wrestler.

The main antagonists in the manga and anime was Tiger's Cave, a mysterious organization that trained young people to be villainous heel wrestlers on the condition that they gave half of their earnings to the organization. Tiger Mask was once a member of Tiger's Cave but no longer wanted anything to do with them, instead donating his money to the orphanage. This infuriated the leader of the organization and he sent numerous assassins, including other professional wrestlers, to punish him.

Most of the environment and characters were fictitious, but real-life pro wrestlers Antonio Inoki and Giant Baba were included in the manga and anime as well.

Sequel to Re:Zero kara Hajimeru Isekai Seikatsu: Dai-3 Shou - Truth of Zero.

In the distant future, the earth is invaded by aliens and their "machine life" weapons, and humanity flees to the moon. The humans develop android soldiers and organize a resistance army. A long battle ensued & the year is 11941. In order to break the stalemate in the war, a new type of female android decisive weapon, "YoRHa," was formed and descended to the front lines of the Earth. What is the future of the automatic infantry dolls that fight only to carry out their goal of.... retaking the earth for humanity? A complete comicalization of the musical drama that shares the same worldview as NieR:Automata, written and supervised by Yoko Taro! (MTL)

The mafia boss of the Iwashi family is a high school girl named Konomi Minoko. But don’t let her appearance fool you; she has done and seen things normal citizens can’t even imagine. Under her control are two assassins who have gained legendary status for their deadliness and ability to get any job done. Ishikawa Rushia, codenamed Baret, uses a modified handgun that uses a custom made hollow point bullet that explodes the target from the inside. Shirato Marin, codenamed Francesca, uses a original weapon that is a mix between a throwing axe and battle axe. Both of them are Minoko’s high school classmates and seem like normal teenagers but are two of the most feared killers in the mob world who handle missions often involving other assassins and underground groups.

The end of the world is coming, and human beings have awakened their superpowers and fought against the monsters in the towers. However, there is a strongest BOSS sitting at the highest point of the tower – Demon King Jiu Ming. He is an insurmountable barrier for humans. One after another, the brave men always thought that they were the protagonists in the story, but the halo of the protagonists never came to them. When the protagonists lose their protagonist aura, they no longer are the protagonists.

The hero, Fried, confronts the demon lord with his student, Lyle. Fried killed the demon lord after a ferocious battle. “I'm going to put an end to this war!” Just as he was about to finish off the demon lord, he is betrayed by his student who attacked from behind. Fried, who was supposed to be dead, wakes up next to a demon girl who calls him the demon lord for some reason. It seems that Fried has risen as the new demon lord and will now have to protect the demonkind under his command while fighting his former comrades

Webnovel Link: https://ncode.syosetu.com/n0087ep/

From ANN:

Guts, known as the Black Swordsman, seeks sanctuary from the demonic forces attracted to him and his woman because of a demonic mark on their necks, and also vengeance against the man who branded him as an unholy sacrifice. Aided only by his titanic strength gained from a harsh childhood lived with mercenaries, a gigantic sword, and an iron prosthetic left hand, Guts must struggle against his bleak destiny, all the while fighting with a rage that might strip him of his humanity.

Warning: This manga is for mature audiences only, since it has sexual content and graphic violence (gore, blood, rape, etc). Definitely not for the weak hearted.

The 1988 Prototype chapter won a prize at the Comi Manga School Miura attended and the main series won the Tezuka Osamu Award for Excellence in 2002.

A male engineer transmigrated into another world, and became a prince. This place strikingly resembles the Middle Ages of Europe, but at the same time, it seems kind of different? Witches truly exists, and they even possess magic powers! Magic powers are productive forces! Save the witches, liberate the productive forces! Open map, fight demons, break conspiracies, climb up the science and technology tree, and open the path of hardcore ‘farming’!

Yuna, a 15-year-old girl, started playing the world's first VRMMO.
She has earned billions of yen in stocks and confines herself in her house playing the game without going to school.
Today, a major update has arrived and she obtained a non-transferable rare bear outfit.
But the equipment is so embarrassing that she can't wear it even in the game.
Furthermore, when she answers the survey regarding the new update and relaunches the game, she appears in an unknown forest in the bear outfit.
Where is this? Email from God? A different world?
If she wears the bear outfit she's a cheat, if she takes it off she's a normal girl. Her adventure starts just like that. Yuna began doing whatever she wanted.

Asuma Sudou has always been a proud pervert, but he's sworn to give that up to chase the girl of his dreams. Having received a special invitation to enter the same all-girls school as her, he's planning to live his romantic youth to the fullest. But those plans are cut short when it turns out the school is a front for a secret organization dedicated to battling kaijin-monsters created when people succumb to their murderous impulses! The girls of the school fight using the relics of defeated kaijin, but when the bloodthirsty instincts sealed within threaten to overwhelm them, Asuma is the only one who can bring them back to their senses!

(From: Yen Press)

A manga about combat maids engaging in trench warfare

August 1893, church calendar. The kingdom of Nohmaland declared war on the Flatanian empire and invaded their territory under the pretext of atrocities against Patlasi within the empire In order to support the regular troops, the empire send the [armed service], and armed maid group tasked with guarding/policing the castle inside, to the front lines. The war against the kingdom still continues.

An official manga adaption by Butcha-U of a Light Novel by Munmun with Character Designs by Mizuryu Kei.

The 30-year-old Satou Tarou accidentally dies and gets transferred into another world by god. After receiving a curing cheat ability, Satou Taro changes his name into Tauro and begins a fresh life.

After the war that took place in A.C. 195, each of the protagonists have gone on with their lives, and the gundams put into retirement. As the peace alliance with the colonies push through, a new menace threatens to shatter the peace, and the five gundam pilots are forced into action once again. Blind Target is originally a radio drama that got translated into manga. It is one of the possible events that took place between the series itself and the OVA, Endless Waltz. Other manga titles that also delve into the possible events between the series and the OVA are Battlefield of Pacifists and Ground Zero. All three remain unrelated to one another.

I want an S-Rank skill too! I want it so badly, I could die for it!

[You have awakened an S-Rank skill.] [But it only works when you die.]

HUH!? WHAT’S THE POINT OF GETTING ONE IF I DIE !?

1st Trailer: https://www.youtube.com/watch?v=Sz51IU05F88

The journey to the martial peak is a lonely, solitary and long one.In the face of adversity,you must survive and remain unyielding.Only then can you break through and and continue on your journey to become the strongest. Sky Tower tests its disciples in the harshest ways to prepare them for this journey.One day the lowly sweeper Yang Kai managed to obtain a black book, setting him on the road to the peak of the martials world.

Lee Hyunwook, the steel emperor, was the last savior of mankind, but died. In order to change the future, the place he regressed to was… The military?!! "Why here of all places?!" The start of Corporal Lee Hyunwook, who gets stronger in a special way, by doing a steel mukbang!

A future where the cold war between the USA and Russia never ended. Setting Moscow as the stage, "Liquidator" Daniel Kuragin runs through alleyways with a submachine gun in hand! by "Goblin Slayer" creator Kumo Kagyu, the overwhelmingly popular web series has begun publication!

Mochizuki's high school life suddenly took an interesting turn when he reunited with his childhood friend, Tsukimi Kawaru, whom he had a crush on since they were in elementary. Through a coincidence accident, he found out that Kawaru is actually a wolf girl, who couldn't control herself around him. Because Kawaru broke her promise of keeping herself in check, her sister, Utsuru, decided to pull her back home, but Mochizuki didn't like that idea and he came up with a solution to allow Kawaru to continue attending high school while keeping her identity a secret...