Kyoukai Senjou no Horizon - Volume 8A, Chapter 20: Greeter at the Entrance

A college student, accidentally reborn into the world of Naruto, becomes a member of Uchiha who is destined to be exterminated.

In this cruel ninja world, in the face of endless wars and exclusion from the village, what will Uchiha Qing do?

PS: Later in the book, the protagonist will develop a system of immortal cultivation. Cultivating Immortals in the Ninja World, have you seen it?

- Description from novelbuddy

After dying a pathetic death as an overworked office drone, I woke up reincarnated as Archer—the bastard prince of the Brutish Empire.My existence is a royal secret as My father, the King, would rather pretend I don't exist. My half siblings get royal treatment while I'm hidden away like a dirty secret.But I have a secret of my own. I was OP.By age two, I realized monsters flee from my stupidly OP mana. By age ten my mana could level cities—if I dare to unleash it.When my half-sister is kidnapped by the demon king, I finally decided to step out of hiding to become the strongest in this new world.

(Father-son crematorium + strong female)After five years of secret marriage, her husband never showed affection in public, and Lu Xining thought it was just his personality.It wasn’t until he took their twin sons and his first love for a candlelight dinner and received online praise as a ‘godlike family’ did she completely lose hope.Listening to her sons call another woman Aunt Xixi, Lu Xining decided she was done with an unloving husband and estranged sons, and henceforth, she would love herself only.After divorce, she went back to a small village to pursue her old profession, growing herbs, treating ailments, and researching beauty products. Luxurious cars often visited the secluded village at night!Learning she was looking for a father for her daughter, researchers, financial magnates, top idols, and film emperors... all kinds of big shots appeared, volunteering to win her favor.Later, her ex-husband knelt on a bed of durian with regret on his face, ‘Xixi, I love you, shall we get back together?’She sneered, ‘Ji Munye, doesn’t the sneaky affair taste good anymore?’Her twin sons knelt on keyboards, ‘Mommy, we only want you!’Lu Xining waved them off, ‘No, I can’t take it.’

Catching arrows, running up walls, crushing boulders and bending metal, these are but petty parlour tricks in the eyes of martial artists. But where can a genuine martial artist stand in an era where martial artists are nothing more than a myth?