The supporting character's harem is very normal - Chapter 16: Evolution…

Yan, a laborer, transmigrates into the world of Naruto as a member of the Uchiha clan. However, the timeline is set three years before the Uchiha massacre.Coincidentally, suspicion and distrust towards the Uchiha within the village reach their peak.Power struggles within the clan, surveillance from the higher-ups, and misunderstandings from the villagers—all unfolding as in the original.If Yan doesn't take action, the inevitable outcome will be the entire clan being sent to their graves by the so-called “the filial son” Itachi!Starting with a deathly opening move, it's better to rely on oneself than others!Yan can only begin to self-rescue!Factional conflicts? Cut off the factions!Higher-ups targeting the clan? Replace the higher-ups!You can't save it from inside? Then tear open a hole from the outside!The Uchiha Self-Rescue Guide begins!Rebuild the glory of the Uchiha clan!Remember, my name is Uchiha Yan!

In the general’s house, the eldest daughter is born again.

Crossing into a wasteland ravaged by Infected Bodies and constant natural disasters, Cheng Ye becomes an Inspector at the border of Happiness City.Every survivor wanting to join Happiness City must be thoroughly questioned and inspected to prevent Infected Bodies from infiltrating.But soon, Cheng Ye realizes these Infected Bodies are nothing like he imagined!Here, there are Death Language Tentacles that can bring people back to life, surviving through sheer will.There are Death Dandelions that can instantly cover a two-kilometer radius, infecting everything in its range.There is a Fiery Sunflower that releases biological deconstructive rays, melting everything.And also, the Laughing Mandrake that becomes stronger by making creatures laugh...What? You want me to inspect these monsters?With a special Civilization Collector.Chen can search and replicate their information, items, skills, attributes, abilities, facilities...

Su Yuzhou reincarnated into the ABO world after his death and became a top-level alpha. Influenced by the conceptions of his previous life, he never thought that a susceptible period would have any effect on him – after all, as an upright young man, how could he be enticed by pheromones to push down a weak Omega?

Then, he became the one who was pushed down _(:з”∠)_

Atypical ABO story, Omega Gong X Alpha Shou.

- Description from Novelupdates