As the Minor Gay Love Rival in Het Novels - Chapter 5.5

Traveling to the Uchiha clan in the world of Naruto, Yuta activated the god-level talent analysis system!Every time his strength increases by one level, a new talent can be analyzed.Since then, the strongest genius in the history of Konoha was born!And this was just the beginning.Analyze Might Guy's Physique talent, Kakashi's Lightning Release talent, Shisui's Genjutsu talent...On the night of the extermination, Yuta used Susanoo, Eight Inner Gates, and controlled Kirin in the sky.“Sarutobi Huruzen, Danzo, how do you want to die?”Note: This is just a translation. All the credit goes to the original creators.Raw: 木叶：天赋暴击，开局因陀罗血脉

Ji Huan’s parents both died in a traffic accident.
Unexpectedly, his older sister also meets the same fate.
Yet everything starts when he says “goodbye” for the last time.

Hunting monsters? Genetic comparison?
Ji Huan flees with his older sister’s posthumous child to his hometown, Bade Town.
The three Grandpa, grandson, and nephew all live interdependent days.
However, inside the swaddling clothes is not a human baby,
But a monster…

Black egg body, white ring eyes, red mouth.
A child, ah! Doesn’t he have two eyes and a mouth! Resembling an egg, he is Ji Huan’s cute nephew!

Vermilion tiled wall, white lotus pond, convalescent courtyard.
This entirely neatly handsome and elegant young man: Ah Jin.
However, he told Ji Huan about the secrets of the monsters and discreetly taught him.
Bade Town is also slowly being covered in monsters…

Or, the record of a small countryside monster’s growth.

- Description from Novelupdates

“Gu Hangshen! Your sister stole my man, and you helped her do it! Your whole family is rotten!”“Whatever my sister owes you, I'll compensate you.”“And what will you compensate me with?”“Me.”“...”Later, he not only gave himself up as compensation, but he also came with a clingy little bundle of joy...

“Just once, I want to make it through the first stage of screening…”