Action Manga Online | MangaNato

K-9: Keishichou Kouanbu Kouan Dai 9-ka Inou Taisakugakari

Supernatural powers that emerge when a crime is committed are commonly known as "sins." As violent crimes become rampant due to "sins," detective Ren Hizuki of the Tokyo Metropolitan Police Department's First Investigative Division spends her days fighting fiercely. Meanwhile, Ren is ordered to transfer to the newly established supernatural powers countermeasures investigative team, "Public Security Section 9," where she meets the cowardly detective Yushiro Oboro. As she and Oboro head off to investigate supernatural power cases, the secrets of Section 9 and Oboro's true identity are revealed...!?

I Became a Patron of Villains

I, a corporate slave, ended up possessing the body of a noble inside a game, but I’m supposed to be an extra fated to be killed by the future villains? No way. I’ll reform those brats and live out my noble life in peace! To stop the young villains from turning evil, I sponsored them and helped them overcome their harsh circumstances, and they all grew up to be admirable, upstanding, perfectly normal individuals as a result. And that’s how I ended up becoming the final boss of the kingdom… …Wait, what? Original Novel Original Webtoon: Naver Webtoon, Naver Series

Akdangdeurui Huwonjaga Doeeotda

I, a corporate slave, ended up possessing the body of a noble inside a game, but I'm supposed to be an extra fated to be killed by the future villains? No way. I'll reform those brats and live out my noble life in peace! To stop the young villains from turning evil, I sponsored them and helped them overcome their harsh circumstances, and they all grew up to be admirable, upstanding, perfectly normal individuals as a result. And that's how I ended up becoming the final boss of the kingdom. ...Wait, what?

I Became the Mentor of the Weakest Demon King

After criticizing the ending of the game “Evil Queen Maker” the protagonist is pulled inside as the Demon King’s teacher and must raise the weakest Demon King, 7-year-old Seere, into the strongest ruler in order to escape.

Shadow Master -Gekka no Musou Geki-

Salt, a doppelganger boy, lived a life of persecution in the desolate slums known as the “Lost Area.” The one who saved him from his crushing loneliness was a girl named Rakuna. Through her, he finally found a semblance of peace—but it was not meant to last. Suddenly, a swarm of monsters appeared, slaughtering humans one by one. In the midst of the chaos, Salt watched helplessly as Rakuna was brutally murdered before his eyes. Driven to madness by despair and rage, the power sleeping deep within him finally awakened. After meeting Hakua, a mysterious girl who holds the key to changing the future, Salt travels back in time to reclaim everything he lost. To exact his revenge on the monsters and save the one he loves— The legend of the kind-hearted “monster” boy begins now. [Original Webtoon](https://jp.piccoma.com/web/product/208853)

Wangyou: Wo Neng Jinhua Yiqie (2026)

Betrayed by his subordinates, stripped of his status, and robbed of his sister, all he had left was a broken body. After being reborn, watch how he uses a single game to exact his revenge! [Original Webtoon](https://www.kuaikanmanhua.com/web/topic/27605/)

Only I Farm in the Dungeon

One day, a mysterious tower suddenly appeared in the city. The people decided to call it a dungeon, and while it was full of rugged terrain and dangerous monsters, it was also a land of opportunity, where countless treasures awaited. When Sejun, a young man living an ordinary life, is invited to the dungeon by chance, he is thrilled at the prospect of becoming rich, but he is stranded in a hidden area of the mysterious tower. All he has is a few seeds and his body. Now Sejun must farm, collect resources, and figure out his own survival strategy! Original Webtoon: ,

Tyrant of the Tower Defense Game

"Having reigned supreme for over a decade, "Protect the Empire" appeared unbeatable until it was conquered by "Mr. Gamer Geek," an outstanding streamer, in the game's most challenging mode. However, his moment of glory was short-lived as he mysteriously found himself transported into the game world, taking on the persona of Prince Ash. As he navigated this new reality, Ash quickly realized that his every action held grave consequences, resulting in the death of his comrades. Determined to make amends and keep his team alive, he harnessed his intelligence and proficiency to defeat the savage armies. Nevertheless, the question of who was responsible for his transport to this realm and their motives remained a mystery. In order to unravel this enigma, Ash must first survive the brutal battlefield that lies ahead."

Aideen

Aideen, a respected daughter of a duke, was the Emperor's trusted assassin and leader of 'Owl.' Despite her loyalty and sacrifices, she faced betrayal and a death sentence by guillotine. As her Lord abandoned her, she lost her life, only to wake up as a 17-year-old. With a desire for revenge, she resolved to obliterate Ferdi, a nation the Emperor held dear. Unexpectedly, the Prince of Diceon, who ordered her execution, began to interfere in her life. He admired her beauty, particularly her red eyes. Thus begins the story of Aideen's second chance at life to avenge those who discarded her and destroy her motherland.

The Top Dungeon Farmer

Sejun, your average Seoul underdog, didn't expect to grow tomatoes full-time when he stumbled into the mysterious dungeon full of monster quests and extravagant rewards. Yet, there he was, as a farmer growing and selling cash crops while clearing numerous quests that came his way. Will Sejun make it out of the dungeon with the plush rewards he hoped for? At least he has what it takes: optimism, resourcefulness, and a group of loyal furry friends.

Barbarian's Adventure in a Fantasy World

The man prayed every night to every god in existence. He begged that, upon waking the next day, he would find himself in the middle of a wondrous fantasy. One day, his prayer was finally answered. Yet it took a shape that was nothing like what he had wished for.

Dead End Demonics ꞉ The First Returnee

Eight years ago, an unknown disaster known as the “Demon World Transformation” struck the world. It was a calamity of despair that sealed off pockets of reality, repainting them into nightmares. If you couldn’t survive, only a cruel death awaited you— In this completely changed world lived Yugo Fushimi, a young man who kept his outings to a bare minimum, shuttling only between his home and his workplace. Timid, kind, and sensitive to the pain of others… But because he was always sleep-deprived and habitually late, his colleagues mocked him daily as a “slow-witted pushover” and a “gloomy shut-in.” Then one day, Yugo was dragged to a drinking party against his will— And there, he witnessed the nightmare of the “Demon World Transformation” with his own eyes. The city overrun. People screaming. His colleagues cut down. The space had turned into a Demon World, overflowing with grotesque enemies. Survival seemed hopeless… But then. There was one man. As if recalling a distant memory, he gripped his weapon—

Starting With 13 Hidden Traits

In a world where the line between a game and reality has blurred, a man starts off with thirteen hidden traits. Original Novel: Naver Series, Munpia Original Webtoon: Naver Webtoon, Naver Series

Hidden Teukseong 13-gae Deulgo Sijakanda

In a world where the line between a game and reality has blurred, a man starts off with thirteen hidden traits.

Cong Ge Bu Lin Dao Ge Bu Lin Shen

Battle Angel Alita: Panzer Kunst Chronicle

Fourth part of the GUNNM series. Austad, one of the four elders of mecha, plots to unify Mars and restore the Martian Empire of Maworus. Having finally entered the world of mecha, Yoko and Erika find themselves living through an era of turbulent storms that will engulf the entire solar system.

Monster House (Colored)

Kate is a monster investigator who resides in an eerie city infested with menacing beings. These entities take various forms, such as a mechanical smile from a laboratory or a mysterious figure standing on a balcony. Even an ordinary street corner can bring forth a fissure in the fabric of space. As society approaches the brink of insanity in the face of mounting oddities, Kate takes pleasure in pursuing them. Nonetheless, as Kate approaches the encroaching darkness, a sinister creature draws nearer to the detective.

Demon Devourer

Despite his prestigious lineage of sorcerers, Elric Mervinger is unable to practice magic due to a peculiar ailment. In his quest for a cure, he stumbles upon Mephistopheles, a demon who seeks possession of Elric to escape a dragon's trap. However, Mephistopheles' intentions go awry when Elric absorbs the demon's essence, resulting in a bond between them. Can Elric wield this newfound power with Mephistopheles by his side to restore his family's former glory? Or will this partnership result in Elric's downfall?

Stigmata (TP)

The one who bears the holy mark of the true King. Sion, a servant, yearns for a peaceful existence but is betrayed by his trusted High Priest and tortured by the envious "Holy King" Siennas for bearing the stigmata on his back. Instead of meeting his demise, Sion's consciousness is reborn in Siennas' younger body on the day of his coronation five years prior... Webtoon Originals: R19: R15: Official Translations: Novel: Note: The webtoon was initially released as R15 in August 2021, followed by the full R19 version in December 2022. Stigma; a sacred marking on the human body. As a child, Sion escaped a lethal attack on his village and later worked as an apprentice priest in a nearby temple, hoping for a peaceful existence. However, his life takes an unexpected turn when he saves the life of High Priest Parvellone and is elevated to Zeon, the capital of the Holy Kingdom. Five years later, Sion is imprisoned and tortured by the "Holy King" Siennas for possessing "forbidden" attributes and is devastated to learn of Parvellone's betrayal. Just as he meets his demise, Sion awakens in the body of Siennas on the day of his coronation, five years earlier...

Inherit The Sword Of Linglong

Lu Chen used to be gifted, but after the death of his parents, he lost his ability to cultivate, in a battle with a devil, Lu Chen woke up the mystical power when he had his back to the wall, then he realized that everything was merely a test. After that, the Fierce Devil, who had been lurked in human world began to show up again and even brought disasters to the human world, to protect the world, expel the demons and protect Taoism, Lu Chen started the journey of cultivation.

The Great Wizard Transcendent

Mikhail Walpurgis, the only 9th-circle Archmage on the planet, was vanquished by a hero who had been cursed. In response, he used his supreme power to activate "Time Reversal." This caused time to reverse and returned him to 20 years ago. With a determined attitude, he declared, "Very well. I will assume the role of the hero myself."

Fengaotian Xiaoshuo Li De Huangmao Fanpai Ye Xiang Xingfu

Transmigrating into the body of a blonde-haired villain at the start of a yuri novel, Mu En just wanted to survive. But… why does the story seem to be going off track? The princess is drugged and unclothed — so why hasn't the heroine shown up to save her yet? Why does the heroine’s childhood friend, a noble and pure saint, keep giving me flirtatious looks? Even my obedient personal maid has started looking at me in alarming ways! Where is the heroine?! Please save me!! "If you're going steal my women, you better be prepared to take responsibility…" the protagonist told me, with a kind smile on her face and a sharp machete in her hand. (Source: SFACG, translated)

The Greatest Magicmaster's Retirement Plan - The Alternative -

At just 16 years old, Magicmaster Alus Reigin is a legendary figure in a world plagued by Fiends. Having reclaimed vast areas of lost human territory and defeated countless Fiends, he seeks an early retirement from military service. But fate has other plans for the young prodigy, as his status as the nation's top Magicmaster sees him enrolled in a special magical institute. Here, he must conceal his true identity and train two beautiful Magicmaster girls, even as he continues to battle Fiends in secret. Brace yourself for the beginning of an epic adventure starring the greatest Magicmaster of all time: Alus Reigin.

Soul Land IV: Ultimate Fighting

In the farthest reaches of the Northern Land, the Douluo expedition team uncovered an egg shimmering with golden and silver markings. Upon examination, they discerned stirring within, indicating vitality. They hastened to return the precious egg to their Institute for careful nurturing. As if by magic, a human infant emerged from the egg. Coincidentally, the Federal Academy of Sciences was reviving a lady with silver hair while a youth adorned in blue hair was discovered by the waterfront.