Side Character Transmigrations: The Final Boss is No Joke - Chapter 673: There's Something Wrong With This Dungeon! (34)

There are Humans. There are Elves. There are Dwarves. There are Orcs. And then there are Demons, and the Demon King.In a world where warriors wield elemental fury, assassins bend shadows, and mages rewrite the laws of reality with a thought… one boy awakens the weakest and funniest ability of all.[Muscle Genesis]… the power to grow and control muscle.The f*ck? No sword aura, no magic affinity, no flashy technique, just raw, brutal power.Born in the wild slums of Arcanum Nexus, orphaned, starving, and forgotten by the system, Kairo Vale has one goal: survive long enough to rise above it all.When his chance finally comes in the form of the prestigious Nexus Academy Entrance Tournament, the world expects him to fail, just another Unranked slum bastard with a useless ability.But the thing about muscles is that… they grow.And so does his pain tolerance, and his strength, and his will to endure.Thrown into trials designed to break him, teamed with nobles who want him gone, and hunted by powers that fear what he might become, Kairo fights back the only way he knows how: one rep, one punch, one brutal threshold at a time.Because in this world, power is everything.And he’s going to build his from the ground up.If they won’t give him a place in their world, he’ll carve one with his fists.

Witnessing her boyfriend cheating on her with her bestie, Shiyao was so angry that she went to a pub for fun and met a man, who was really a piece of work. After a crazy night she fled away, but was embarrassed to know that the man she slept with was her boss You Ze.
Jesus, give her a break!

- Description from Novelupdates

Zhou Xu, an interstellar military counselor, was selected by the “will not die in peace” system, and as a result, even though he had a great fear of pain, began his journey as villain, forced to die a terrible death over and over again. Zhou Xu, after going through a hundred worlds and dying a hundred times, finally changed. He wanted to retaliate!

In the magical Yowein Continent, Igor the naive young man is pursuing the secrets of the Adventurer.Witches, politicians, ambitious individuals, and all sorts of characters have inadvertently squeezed into the young man's extraordinary journey due to a strange stone.However, none of these has anything to do with the monster...The monster, the One-Eyed Monster, enters Igor's journey like a bolt of lightning, confusingly revealing another secret of the Yowein Continent...