The Main character gets trapped in a world where it's ruled by laws and orders. Will he escape?!

In the 15th year of the Tenmon era, Fuuma Kotarou—the fifth in a long line of fierce warriors—fought for survival in a world torn apart by endless warfare and haunted by dark, supernatural forces. Driven by a single, unyielding resolve—to do whatever it took to stay alive—he cut down countless foes, narrowly escaping death time and again. Yet fate had its own plans: captured and executed, his life seemed to come to a tragic end. But just when all hope was lost, a mysterious figure known only as “THE SEER OF WORLDS” reached out to him. In that fateful moment, the cycle of reincarnation was unleashed, and Fuuma Kotarou was reborn in a completely new realm—a second chance to reclaim the humanity he once lost.

獄門家――地獄より現れた血族。怪異ひしめく京都を根城とする彼らは、呪術を操る者どもはもとより、化物にすら畏怖されていた。そんな凶家の末裔たる乙女――獄門撫子は、化物を喰らう運命の娘。荼毘の炎から取りあげられた、このうえなくうつくしく――このうえなく、忌まわしい娘。 しかし…このうえなく奇妙で、胡乱で、美しい女――無花果アマナ、自らを恐れもせずに笑う彼女と出逢い、二人で次々と怪異に挑むうちに、撫子の想いは移ろいゆき…… 「あなたさえいなければ、わたしは鬼でいられたのに。」 鬼の身体にヒトの心を宿す少女と、ヒトの身に異形の魂を抱える女の縁が、血の物語の封を切る。

Can the three teenage daughters of demon dog half-brothers Inuyasha and Sesshomaru save their parents, themselves, and both realms from the menace of the seven mystical Rainbow Pearls? Living in the present day isn’t easy for Sesshomaru’s daughter Towa. She can’t remember where she came from, must conceal her mysterious powers, and is either worshiped or feared by girls she just wants to be friends with. But she has no way of returning to her own time until the day a demon attacks and she is transported to feudal-era Japan. There Towa, her twin sister Setsuma, and her cousin Moroha —Inuyasha’s daughter— have a mission bestowed upon them by the mystical Tree of Ages. With only vague memories of their past to guide them, the three young women set out to find their parents, heal a rift in time, and fulfill their royal destiny...

「材料から物を生成する」技術者（エンジニア）スキル持ちのアデルは、戦闘では役立たずとして都市アイザック最強のパーティー『黄金の旋風』の中でお荷物扱いを受けていた。そんなある日、突然のクビを宣告されるアデル。自暴自棄になる中、アデルは盗賊に殺されたカートレット伯爵家から謎の依頼を受けることになり…!?

あくまで、執事ですから 彼の職業は執事。彼は今日もお茶を煎れ、銀食器を磨く。そう、すべては主人のために…。

妹を銃弾から守ったことで意識戻らぬ身となってしまった最強の殺し屋・平良凪（タイラナギ）。彼は”殺意”を向けられると、わずかな時間だけ意識が戻る特殊体質の持ち主だった。

邪悪な魔術師は王を弑し、姫をさらって天から降りてきた巨大な建造物「竜の塔」に逃げ去ったーー。王国の近衛戦団は姫を救うべく塔を登ってゆくが、強力な魔物に阻まれる。負傷者の穴を埋めるべく、ある村から農夫の青年ユーヴァがやって来て・・・・・・？

灰猿人(マカク)、豚人(オーグ)、蜥蜴人(ラガート)…亜人種たちの度重なる侵攻に苦しむ辺境の地。 ラグ村の少年カイは、村を守る兵の一人として、日々、亜人らとの殺し合いに身を投じていた。 戦いの最中、命の危機に瀕したカイの脳裏に突如浮かんだのは「前世の記憶」。 それは少年に、大いなる成長、そして戦いの宿命をもたらすものだった……。

While on a regular school day, Tsukuru along with his classmates got transported to another world. However, at the other side of the summoning there was a hero's auction, where each nation would bid for the heroes to defeat the demon kings of each territories. While his classmates received cheat jobs and got auctioned quickly Tsukuru got the useless job "Chef," as no nation bid for him, he got thrown out through a transfer gate. At the other side of the gate was a territory dominated by strong monsters… As he manages to survive the monster's attacks while nearly dying, Tsukuru goes forward on the path of becoming the strongest! --- [Original Webnovel](https://ncode.syosetu.com/n2248el/) ---

This battle action manga tells the story of how humanity is threatened by overwhelmingly mighty monsters called "Kijū." While cities are destroyed and people fall into despair, a single rooster stands up against the threat trying to save humanity...

最高位の神銀級冒険者を目指して十年。いまだ銅級冒険者のレントは、いつものように単独で《水月の迷宮》に潜り、鍛錬と日銭稼ぎをするつもり――だった。だが、初心者向けの迷宮にいるはずもない《龍》と遭遇。圧倒的な力の前に為す術なく喰われてしまう。 そして、死んだはずのレントは“目覚めた”――『骨人（スケルトン）』の姿で。 途方にくれたレントだったが魔物の持つ『存在進化』を用い人間を目指すことを決意。迷宮でひとり魔物へと挑み始める！

A boy’s life is turned upside down when monsters attack take everything away from him. The monsters hold him captive as their endless supply of food because of his regenerative ability. For years, he grunts his teeth and seeks revenge. However, he lacks the power to beat the monsters and gain freedom. One day, a monster hunter appears… A story of divine powers and the boy named “Lizard tail” on his mission to eradicate monsters.

Noah is the sole survivor of the Venter Family who possesses dark powers. When he arrives at the orphanage with his ever-cute(?) teddy bear Chabepy, monstrosities were awaiting to engulf the children...!!

俺の戦争はまだ終わっていない！！機装兵の眼窩に赤き火が再び灯る時、たった1人の“戦争”が幕を開けた！！鉄鋼の兵士が疾駆する戦場に慈悲深い神の骸が転がる──祖国を襲う屈辱的な敗戦の渦中で起きた、機動重装歩兵特殊部隊“ジャッカル隊”隊長の叛逆事件。戦場の死神として敵味方ともに恐れられた英雄の卑劣な行動に、国民は唾棄した。しかしそれは、かつての部下達の策謀によって着せられた、全くの濡れ衣だった……。

Set in a world full of mysteries, the adventure of fate begins! The wonders of ancient and modern east & west gather under one "girl"!

In a world where an infection dubbed the "10-Year Disease" has taken over the world, half of all children will die before the age of 10. Our protagonist is Clair, a demon-loving 10-year old who dreams of becoming infected with the disease! While tensions with her priest grandfather rise, she gets the disease! With only a little life left to live, what kinds of trials will Clair and her grandfather go through!? A serious story of action and survival awaits in CoroCoro Weekly!

杜王町在住の人気漫画家・岸辺露伴。好奇心に溢れ、リアリティを追求する彼が、さまざまな取材先で体験した恐怖のエピソードとは…!?

In a world where cursed spirits feed on unsuspecting humans, fragments of the legendary and feared demon Ryomen Sukuna have been lost and scattered about. Should any demon consume Sukunas body parts, the power they gain could destroy the world as we know it. fortunatly, there exists a mysteious school of Jujutsu Sorcerers who exist to protect the precarious existence of the living from the supernatural.

人類の守護者・竜神戦隊ドラゴンキーパーVS.世界征服を企む悪の軍団・怪人。彼らは互いの存亡を懸け、死闘を繰り広げ続けている！！……というのは、やらせの茶番劇。他の星から侵略してきた怪人達は、わずか１年で屈服。民衆の前で敗北を演じ続ける道化と化していた！悪者にすらなれず、隷従させられ続ける日々。そんな状況を覆すべく、一人の怪人が最強の大戦隊を相手に反旗を翻す！

さぁお遊戯の時間です　囚人番号999、元・伝説の殺し屋のリタ。彼女が今働いているのは、何と世界の重鎮達の子供が通う幼稚園！その仕事は、日々差し向けられる刺客の魔の手から園児を守ること。圧倒的な力で敵を撃退するリタだが、実はイケメンに弱いという弱点があって…！？

It was just a normal day for Kokoro and his friends, until they received a grim shock: their world had been invaded by dragons! These vicious dragons consumed every human they saw, and destroyed everything in their paths. Japan’s military turned out to be useless against these creatures. Just as all hope was lost, a mysterious classified military division appeared, with knowledge of these dragons’ secrets. What is this unknown division? How do they have information on these never-before-seen dragons? Where did these dragons come from? What is their purpose? Who is their leader? Can Kokoro and his friends unravel these mysteries before it’s too late?

「悪いことをした人には天罰が下る」――、亡き母の言葉を信じて生きる中学生・アスラ。学校で壮絶ないじめに遭っても母の言葉を胸に笑顔を浮かべ、人のため善いことをしつづけるアスラは、ある日謎めいた露店を見つける。その店の主と思しき老人から、人を地獄へ落とす“地獄の鍵”を勧められ…!?

The sequel to Konjiki no Gash!!, aka Zatch Bell. Once the battle to decide the king of the demon world, in which 100 demon children fought against each other, had come to an end… the king of the demon world was crowned, and the demon world lived out the rest of its days in peace. Or at least, that was how it was supposed to be. Now, a shocking fact about the current state of the demon world comes to light. And in the depths of their despair, three demon children decide to risk it all for one last chance at survival.