my multisystem in isekai

To protect her, he gave up his lifelong glory, accepted to live in his wife's house, and lived a frugal life... She gradually discovers that her useless husband turns out to be a talented hero in the world…

In a world where darkness and light are intertwined, Ryu Tanaka, a young man shrouded in mystery, discovers his latent powers as a Shadow Weaver. With his newfound abilities, he's drawn into a realm of ancient magic and forgotten lore. As Ryu navigates this treacherous landscape, he's confronted by Hikari, a fiery antagonist driven by a burning desire for power. Their fates become entwined in a dance of light and darkness, with the world hanging in the balance. In a climactic battle, Ryu faces off against Hikari at the ancient ruins of Tenebrous Peak, but ultimately falls to his demise. However, his journey doesn't end there. Ryu's spirit is reincarnated into his own body, restoring his life and memories. Reborn with a newfound sense of purpose, Ryu sets out to prevent Hikari's destructive ambitions and restore balance to the world. With his shadowy powers reborn and his past experiences guiding him, Ryu is determined to change the course of fate. Will Ryu's second chance be enough to save the world from the brink of destruction, or will the shadows of his past define his future?

The story follows Markus Ironclad, a man whose life is filled with conflict. On the one hand, he lives under the scrutiny of his in-laws, who constantly judge him. On the other hand, he must contend with the threat of the god killers, who murdered his father. As the plot unfolds, Markus finds himself in a battle for his life, and a fight for his heart. Can he overcome the odds and find the happiness he deserves?

Mark William was greatly maltreated and looked down on as the worthless Son-in-law in the family until he was finally handed a divorce paper from his cheating wife who grew tired of the deadweight in her life. But in a twist of fate, Mark stumbles on a mysterious ring that changes his status from a poor wretched Son-in-law to a mighty trillionaire. It was time for his ultimate revenge and he swore never to let those who mocked and maltreated him escape his wraith. Read to find out how this intriguing journey ends...

Earth in the year 30134 AD was nearing the brink of a total collapse because of the rapid depletion of minerals and metals that could be found at it core.Humans who were exceedingly frantic on how to stop this from happening, became terribly shocked when a rare mineral dropped out of a massive wormhole that unexpectedly appeared somewhere on Earth, simply signifying that another universe which they never knew about existed.Then very quickly, humans started mobilizing themselves to enter a simulated portal that would lead them to that parallel universe where the mineral fell out from.But in the end, only a boy called Max, a half-human and half-vampire hybrid was selected to go, mainly because of his astonishing, exceptional capabilities which were; countless numbers of Kron Particles endlessly supplying him with immense amounts of a catastrophic energy, a powerful reactive physiology that would enable him to easily adapt to the conditions of almost any world, then Vlessaract energy that continuously modified his body's make-up, giving him near-infinite, vast superhuman powers. Then armed with highly-destructive futuristic weapons, and equipped with high-speed bikes, vehicles and jets to cross really massive distances very quickly, Max will try to subdue every opposition that he will come across in this unprecedented world.But, would he be able to really accomplish his mission there in time? Since he was sent to a boundlessly vast world that possessed shocking numbers of mighty, ancient beings who were seen by their people as godly phenomenal entities that could unleash fearsome, seemingly magical powers that were totally capable of reducing entire massive islands, continents and even small, minor worlds to dusts.So, accompany Max as he tries to overcome all odds and obstacles that lay in his path to take astronomical quantities of that mineral back to Earth before it could implode.

Damon was reincarnated into a magical fantasy world with his previous life's memories intact. Damon became the a half Primordial Incubus Demon- Half Divine Dragon and was the son of the Grand Duchess of the Divine Demon Empire. At this moment, Damon obtained the Divine Sign- in system. [ Ding! Congratulations for Signing in the Body Of Chaos ] [ Ding! Congratulations for Signing in the Eyes of Oblivion ] [ Ding! Congratulations for Signing in the Divine Blood-soaked Sword ] Watch Damon's adventures as in the Mythological World of Austonia as he slays all his enemies on the way to becoming the strongest of them all. ( There will be SMUT )

Hosh, who suffers from leprosy, continues to be insulted by his wife and mother-in-law who are the highest throne owners in the Zenith Clan. “Look at you, Hosh! All those fancy clothes of yours can't even cover up those hideous skins. What wife do you think would be willing to walk hand in hand with a husband like you? You're so disgusting. I don't even want to see you!" Wilo tossed his beautiful wavy hair. Until one day Hosh chose to return to his family's house to calm down. Hosh finds out that he is a Nilas. A special person who has the qualities of four clans at once. “Most likely, you are a Nilas. Like your parents and also like your grandmother. She is a Nilas.” Hosh decided to get back at all the bad treatment he received earlier. Did he succeed in transforming into a Nilas? Will he be able to avenge everyone's bad treatment to him? Did he manage to unravel the dark secret of the death of his parents?

Logan's hard work and dedication go down the drain after getting physical with a man he had no idea about to protect his girlfriend. He finds himself in prison after the man who he had fought with, who also turned out to be the son of one of the most influential families in the US had thrown him into jail but he was comforted since he knew he had his girlfriend waiting for him. Three years later, he comes out of prison only to find his girlfriend getting married to the same man that had caused his demise and after being humiliated and degraded, it only brings about an unquenchable thirst for revenge. When a mystery old man gives him a ring to find an organization, Logan's life will forever take a huge turn and his ultimate revenge plan will be more than easy to execute.

Ryan Wolf, a live-in son-in-law of the prestigiousKardashian family, is treated like trash, unaware that he was once a mighty lieutenant general commanding thousands. On the brink of losing his marriage to Kim, his forgotten past suddenly resurfaces. But will it be enough to save his marriage and make those who looked down on him pay?

In a tough world where wealth and power were all that mattered, Liam found himself in a desperate situation. Once an heir to riches, now became a lowly son-in-law in New York. His life crumbled when he lost his job and discovered his wife's infidelity, as grief engulfed him. However, fate had a different plan for him. An old family artifact revealed hidden talents, and a mysterious 'wealth system' offering unimaginable riches. With the newfound skills, emerging memories, and an intense hunger for revenge, Liam's journey from disgrace to power began. Can he succeed in making those who had wronged him regret their actions?