Love Rival Romance System - Chapter 1 - School Idol

Synopsis: Yang Chen, the inheritor of the divine throne of Hades, was separated from his family at a young age and sold to a foreign assassin organization. Enduring the darkest of worlds, he eventually returned to his homeland incognito. Intending to live a low-profile life as a street vendor selling lamb skewers, fate took an unexpected turn when he married a well-known local corporate CEO. Hoping for a quiet existence, he found himself drawn into the role of a guardian knight due to the presence of beautiful women from various walks of life. As he navigates through these connections, his past experiences and former comrades resurface. Inadvertently, he delves into the world of cultivation in China and uncovers the essence of this world.

In the City of Crime, one law stands above them all: Only the strongest can live.

Being given a chance and reincarnated is nice and all, yet why do I have to become that male friend who just watches the protagonist flirting with his harem?---World: Kaguya-sama: Love Is War - Hyouka ----

Uchiha Yu traveled through and came to the crisis-ridden Naruto world.

Looking at the scarlet writing wheel in the mirror, Uchiha Yu nodded with satisfaction: “Well, everything is going well so far… smooth hammer!”

Looking at the calendar on the wall, Uchiha Yu felt the malice from this world…

In order to save his life on the night of the genocide, and even take food from the tiger’s mouth, Uchiha Yu decided to train Pokémon hard from today!

Uchiha Yume, use illusion!

A trainer: “Referee, Yu’s dream demon is illegal, it uses illusions!”

Uchiha Yu: “Humph, you absolutely cannot escape this technique!”

Deidara: “Explosions are art!”

Uchiha: “My Pangyan monster’s art is better than yours!”

- Description from novelbuddy