Infinite Mana In The Apocalypse - Chapter -1 - Ranks/Levels/Realms(Spoilers as of 317)

When Li Shen’s second personality acts out, her consciousness is sent to a strange place called Split Zone No.13. She is then informed that she can only return home after unraveling the truth.

(One of the best stories you can find in this platform!)

Yeman Talisman was bullied by his classmates and framed by his best friend in his high school days. One night, an incident occurred, which he rescued his ex-girlfriend from a drug organization syndicate. Too bad with his bad luck he got killed, when he opened his eyes again, he found himself in a different world? With a gaming-like system! Let’s find out what will happen to him in this world of fantasy. What if he finds out that his old classmates were the heroes of this new world and their leader was none other than his old best friend who framed him not only once, but twice?

They got summoned here through a magic circle unlike him!

What will happen when the system and magic clash?!!!

(Yeman made a promise to himself, that the next time their path cross, he will teach them true despair.)

Together with his pets, he will build his clan and rise to power!

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates

Sam Sanderson is envied by many for his job, however he himself didn't seem to like it much.

Due to his expertise in nanotechnology he was tasked with monitoring the state the Valkyries, humanity's strongest weapons who all just happen to be made into gorgeous females.

Forbidden from even touching any of them, Sam spends his days in agony watching flowers he couldn't hope to touch. However one day all of that seemed to change.