Spider Mother Demon Slayer

You can call him the demon slayer, master of all tongues, world traveler or dragon rider, he was the God of lightening in his previous life but in this life, he is determined to be stronger so with his OP system and his knowledge of his previous life, he will fight enemies make friends while discovering dangerous secrets that will cause destruction when it falls into the wrong hands, this is the story of the strongest Esper on his path to immortality.

Little Sky, an earthling human, is the lowest ranking Knight on earth, regarded by many as the weakest Knight in existence. Little Sky has always hated that he was weak, he trained harder than anyone did, but that didnt change his status of being weak. Little Sky has always been disdained and look down upon by other Knights, they would always laugh and teas on how weak he was. He had thought of quitting so many times But, burdened by his mother's hospital costs and a big loan which is said to be left to him by his father, he had no alternative but to risk his life every day inside the demon grottos, despite his limited strength, which could barely kill the weakest demon. But all that changed when he activated the crazy Devouring system, which granted him the most powerful constitution in the universe; endless evolution, as well as the ability to devour everything. Sky would go from being the weakest to the absolute strongest, saving humanity and the entire universe from the catastrophic demon invasion. with his system nothing in this universe could stand in his way.

Long ago, an innocent groundskeeper stumbled upon powers beyond the limits of mankind. These powers turned him evil, it demanded blood and sacrifice and…blood. The kingdom fell, the truth was rewritten, the survivors disappeared, leaving behind a history that was never meant to be remembered. Now, centuries later, strange forces are stirring again, ancient symbols are appearing, the dead past is resurfacing. Six unsuspecting students stumble upon the pieces of this forgotten history and as they awaken to new discoveries, they realize that the strange events surrounding them aren't a coincidence. Their lives are connected to a mystery that existed long before they were born. As the truth behind Riskwood city comes to light, these students must embrace their awakening or the Devil may finally reclaim his throne.

Born in a world where only those with strong abilities ruled, Shian Smith was raised in this era to a poor family that was barely able to survive. His mother abandoned him and his terminally ill father to be with another man, just because she couldn't cope with the difficulties.  Shian, luckily, was then trained by his veteran hunter father before he passed away, and due to the threat of the Cythrauls, Shian trained with all his might.  After the death of his father, he made a pact to himself to rise to power, and become strong enough to protect those around him, to prevent himself from facing emotional trauma again.  Find out how he does this, as he awakens the Ancient Godkiller System, which aids him in his odyssey! 

A human transfers to the demon world and becomes the butler to the first demon king and then later on after the dawn of the first demon king, a demon girl places the contract with the human butler to take over the world. And the secret is she was also once a human in her past life but then she reincarnated into this demon world. In this world, the human has unlimited power to take over the world by himself but he is bound to the contract and can't able to do anything without a master and now after having a master how things would go for him and her...

For ten years, he never forgot what happened to his family, and a woman saved him. Now, he has returned after becoming such a great man to return the favour to the woman who saved him and take revenge on those who killed his family.

Cassian Holt was once known as the most feared demon hunter. Now he hides behind a priest’s robe in a remote village, trying to atone for sins even God might be unwilling to forgive. But when his parishioners begin turning up dead—each without a wound visible to the human eye—Cassian realizes something impossible: every villager is shadowed by a dark figure… a figure that mimics his every move.

When an entire classroom is summoned to the Radiant Empire to become the world’s saviors, Evander expects a grand adventure. Instead, he is granted a seemingly useless, zero-mana support class: [Abyssal Coordinator]. Deemed a waste of resources by the corrupt royalty, Evander is stripped of his gear and thrown into the bottomless Abyssal Chasm to die. But the chasm is a gateway. Deep in the Underworld, a desperate and newly crowned Demon Queen, Vespera, is performing a forbidden ritual to summon a world-destroying Calamity Beast to save her collapsing realm. Instead of a monster, Evander crashes onto her altar. Due to a glitch in the magic circle and his unique class, a soul-link is forged between them. To survive the suspicious demon generals who expect an omnipotent tyrant, Evander must use his modern wits and unique system skills to act as the mastermind behind Vespera's throne. Meanwhile, using a remote avatar, he infiltrates the surface world to dismantle the "heroes" who betrayed him. He isn't just surviving; he’s playing both sides of an empire-spanning war.

Zuan is a demon cultivator who died at the hands of his lover, Zuan who was revived by God was determined to take revenge even though his demon cultivation was sealed, Zuan who did not give up continued to practice regular cultivation and received the help of the Dragon until he had body parts like a Dragon.

Betrayed and left for dead by his kin, Arkana Wijaya awakens a Forbidden Demon System that demands blood for power. To survive, he must bind his soul to a high-ranking demon prince who demands a steep price for every drop of strength granted.