Douluo Dalu 2: The True God King - Chapter 314: [DD2]:

VOLK SMAAAAASSH!Reincarnated with a body like a nuclear bomb, let's turn this magical world into a nuclear wasteland!As someone who loved fighting, Volk Mogger was the most miserable of them all.Born with a small frame, tiny limbs, and underdeveloped muscles, he struggled to grasp anything that was taught to him. He was relegated to merely watching others fight—whether on the internet, on television, or in real life.One day, while riding in his wheelchair, he was abducted and taken to a strange place for a radioactive experiment, which ultimately failed.However, Volk soon discovered that he had been reincarnated in a magical world as a member of an Orc horde, which was hunted by higher life forms despite merely wanting to establish a land where they could honor their traditions and build a home alongside their symbiotic partners, the Elven Witch races.Suddenly, a system screen appeared before Volk, announcing that he had acquired the power to transform into an invincible radioactive titan who yearns to be the strongest of them all.However, this transformation had a time limit, and to extend that limit, he had to win! But win what?Ding!| Beat up the Orcs thief who stole your spoil and a chance to have a wife!| Reward: Extend the radioactive time to 2 minutes.| Failure: Minus 1 minute.| Current radioactive time: 2 minutes. |

Every human has their Personal Jewel of power, when awakened it can either be an Elemental Jewel or Physical Jewel. They circle the right and left wrists like bracelets of power.

After being fired from his job due to a baseless accusation and dying while trying to save a girl from a robber, Maximilian is reincarnated into a world where caped heroes and superpowered villains clash in the streets.Disillusioned by a life of injustice and unrewarded good deeds, he vows to live for his own satisfaction. Armed with the Greatest Villain System—a golden finger that promises to make him the most feared villain in history—Maximilian sets out to embrace his dark side.First Mission: Beat up innocents.An old, retired hero thanks him for preventing a terrorist attack.Second Mission: Destroy a hero monument.Maximilian ruined an unlucky villain career.Third Mission: Beat up a famous hero.A detective hero praises him for exposing a criminal’s crimes.System: “Maximilian, are you messing with me?”Maximilian: “I’m innocent!”Several heroes who think they’re privy to the truth: “Maximilian, you are the most selfless hero we’ve ever met!”Maximilian: “I’m a villain, you idiots!”As Maximilian struggles with his new life as a villain and tries to prove his villainy, he uncovers numerous conspiracies within the new world’s government.Will Maximilian be able to prove his villainy? Or will he be remembered as the greatest hero of all time!?

An unnamed 34-year-old Japanese NEET is evicted from his home following his parents' death.

Upon some self-introspection, he concludes that his life was ultimately pointless.

Walking down a street he intercepts a speeding truck heading towards a group of teenagers, in an attempt to do something meaningful for once in his life he manages to pull one of them out of harm's way before getting himself in the way of the truck and dying.

Awakening in a baby's body, he realizes he has been reincarnated in a world of sword and sorcery.

He resolves to become successful in his new life, discarding his past identity for his new life as Rudeus Greyrat.