Netherworld Investigator - Chapter 497

Aomori, who has a monster-fighting system, came to the world of One-Punch Man and gained the ability to enter various instances.

Therefore, “Founder of the Hero Association”, “NO. “And other titles fell on him one after another.

Comprehensive flow, the main world One Punch Man.

Completed dungeons so far: Pokémon – Demon Slayer – Sword – Pokémon – Digimon – Spell Return – Yokai Comprehensive World (Girls that Noragami Inuyasha can see, etc.) – Pokémon – One Piece-re0-Dragon Ball wait.

- Description from novelbuddy

Having traveled to the year 1983, Lu Jiaxin found herself at the start facing the failure of the original host in a high school exam, a stepmother who was sweet on the outside but dark-hearted, and a purely self-interested father.Designer Lu, facing a hellish start, decided: if her stepmother made a move, she'd countermove tenfold! If her father failed to act like a human, she'd teach him how to!She still intended to continue college; she heard that the degrees from Hong Kong University in the '80s were quite valuable, so she flung her sleeves and bravely explored the financial and business circles of Hong Kong.Bulky mobile phones, beepers, “007” on the dance floor!Victoria Mountain, Shallow Bay, female tycoons of Victoria!

In a world where human and monsters relied on mystical fruits and their inner power to fight for dominance, a lost soul was thrown, given the powers from all the other worlds he’s known. But there was a catch; he had no control over what power he would get! With knowledge beyond that of most, he sails his path to the top of the one piece world!

Xiao Yu, who was a student from modern Earth, accidentally transports to another world and becomes the lord of a territory. Facing an unfavorable situation, he vows to take back his family business, build his new territory, kill all of those who covet his wealth, and dominate the world!

- Description from Novelupdates