MTL - Great Tang Broom Star - Chapter 1 Buried Alive Traveler

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. |

“With my knowledge, give me a fulcrum on which to place it and I shall move the world!”

…

Sorcerer Continent—a world where sorcerers exist. Wielders of arcane knowledge. Masters of all elements. Sovereigns of space and time. These sorcerers governed the world with their unrivalled prowess. One day, a young man awakened into this world with his past forgotten and no place to call home. Follow along as Glenn, by relying on his luck and wit, tries to survive and advance in this unforgiving world. Entangled within the machinations of fate, political schemes, power struggles and wars, he forges his own path and creates a place for himself.

- Description from Novelupdates

Waking up, Kim Hajin finds himself in a familiar world but an unfamiliar body.

Seven years ago, Shen Qianshu is impregnated with Ye Ling’s child in an accident.
Seven years later, the little boy becomes famous and is thought of as the nation’s son.

When he suddenly sees Ye Ling appear, he greets, “Hello, Daddy?”
Ye Ling watches as the little prince roars, “Where’s my princess?”
Just as Shen Qianshu is preparing to run with her son, she gets pushed down by Ye Ling.

“You can leave if you want, but leave me a princess first. Let’s have another baby!”

- Description from Novelupdates