My Doctor Son-in-law, Clarence - Chapter 195 - I Think I Saw Your Ex-Wife

In the Great Age of Pirates, countless people rushed to the sea.

The person who obtained Arceus’ power arrived in this world as the new Arceus and got in touch with the Lunarian race.

Based on the reality that everything can be Mythical Zoan, the current him can also be called Mythical Zoan user.

Whether it is One Piece or Pirate King, it has nothing to do with him, all he wants to do is to retrieve the lost plates first.

During this process, he formed an alliance with Beasts Pirates, a famous pirate crew in the New World, and Mr. Kaido got his coveted Mythical Zoan Army.

When Pteranodon becomes Aerodactyl, when Brachiosaurus becomes Tropius, the combination of Pokémon and devil fruit powers will bring a whole new change to the world….

Lunarian’s glory will surely reappear.

- Description from Novelupdates

Satou Shiki a Japan present-day university student suddenly one day he got attacked by a slasher when he open his eyes he was already transferred to another world’s labyrinth city. In that another world he who was awakened to do a lot of “things”.

[You have been abandoned by the human race and become a Fallen.][The Fallen System has been awakened.]'Ding!'[Quest Complete! Reward: Fallen Narakai Bloodline (3° Tier)]Sentenced to public execution at sixteen, falsely accused of being a monster and a genocidal maniac, Cairen Veyrith saw his family, his race, and the entire world turn their backs on him.As the executioner's axe descended upon his neck, Cairen fell… but something refused to let him go.Transported by the System to an unknown world, now bearing countless bloodlines. The legacy and fury of all the races that once fell.This time, will he find a place where he belongs…? Or will he be the one to abandon the world?

An Individual from Earth finds themselves in the Shinobi World, equipped with a Scientific System. From that moment, he delved into scientific research far ahead of its time.