Naruto: Kurotsuchi Mayuri - Chapter 291 - 202 : Mukade!!

To correct the mistakes of his past, a young man is forced to narrow the space between science and witchcraft, as he ventures on a quest to save his world from complete destruction.

A lonely soul, which was placed under the care of the Lord Protector’s Manor, ended up having her lover stolen by the family’s eldest daughter and dying tragically the day before her wedding.

Somehow, she was reborn in the family as their 14-year-old first wife’s daughter, Ning Xueyan, with a startlingly familiar face.

Step by step, she will ruthlessly scheme to seek revenge as well as uncover the mystery of her tragic death.

Her former fiancee, the flirty crown prince and the bloodthirsty prince, will now bear witness to a vengeful Ning Xueyan becoming the peerless lady of her generation…

- Description from Novelupdates

A Naruto fanfic where the MC is not an orphan and he does not chase after every single girl in the elemental nations (#NO-HAREM CLUB). What more could you want?~~~SYNOPSIS~~~When a popup appeared on Jacob's screen while he was playing Minecraft to fill out the transmigration form, he didn't expect it would actually happen because if he knew, he would've definitely not requested any random system as his cheat.~What to expect~# A protagonist who is not an orphan# NO-HAREM (No romance either at least till the point I've written.)# Even though he has a system, he wouldn't become op anytime soon so there would be lots and lots of training# Other characters won't be idiots to make the mc look smart~What not to expect~# HAREM# Cold emotionless mc# Immediate plot derailment

A world filled with heroes with superpowers. A world attacked by calamity fiends. A modern world filled with wonders and dangers.

Shi Xiaobai, a child from normal Earth, walked into such a world, proclaiming to be its king. But at the first signs of danger, he is forced to make a choice, one which he cannot refuse for time would repeat, making him face the choice again.

He is not humble nor is he modest, but neither is he delusional. Yet, the Absolute Choice seems to make fun of him. Will the joke be on him or will he laugh at his opponents? There will be many watching his escapades, and there will be some joining him in his adventures.

To see through the world and to grasp its truth, that is the destiny of the King.

- Description from novelupdates