SSS Awakening : I can Adapt to Everything - Chapter 23: The Gatekeeper

Leon is an average high school student who likes to watch anime and read novels.
He's about to cross the street, only to be greeted by a truck and died.
But, he got reincarnated as Uchiha yet dead again because Itachi killed him.
Leon got reincarnated again as the grandson of the recovery girl.
He got kidnaped and tortured by All For One.
After his third death, he got reincarnated as a son of Bibi Dong.
In this fourth life, he wants to change his fate to become the strongest.

Note: Please read the tag before reading.
- English is not my first language, so there would be grammatical mistakes in this story.
- Please give my story a proper review.
- I accept a suggestion, but no spam!

A very ordinary white collar worker, Han Sang Hoon.One day, he came late to work and there he finds a strange destiny called [12 Hours After]

Noel Cross. A model student. A kind brother. The man every girl once dreamed of.With his handsome looks and flawless manners, he seemed perfect—at least to most.But beneath the smile… beneath the pristine facade… lies a bottomless void.And one fine day, when his smile could’ve finally turned genuine, a message appears—one only he can see.[Binding with Codex Null: Complete.][You have one free simulation available.]Now, an impossible system lies within his grasp—one that simulates his life, reveals hidden truths, and grants power unimaginable to the former him.With it, his fragile sense of control finally slips away.Love that was, in truth, obsession. Possession, teetering on madness.And a world that feels even more fragile than these women’s insecurities.Faced with it all, Noel must make a choice:Keep pretending.Or embrace the chaos…And become something far worse than anyone ever imagined.

After being reborn in a sci-fi ABO world, Xi Wei became the newly born son of the Imperial King. He thought, as the emperor’s son he could live a carefree and imposing life, but unexpectedly the First Prince is actually an omega? What the hell is an Omega?