The supporting character's harem is very normal - Chapter 202 Lathel vs. Fire Drake

Betrayed by his former gang and thrown into the Rendhold Underprison, Dantes has spent the last five years scraping by. A whoreson of orcish, human, and elvish blood, he's lived on the periphery of the periphery, lying, cheating, and stealing to survive. After a run of bad luck, he's made a powerful enemy. Luckily, he's also gotten all the tools he needs to turn things around.A slow burn progression fantasy focused on rising through the criminal underworld of a city-state using newfound powers and quick wits.MC's powers will develop slowly, but he will use them in creative ways to get ahead, and in the meantime he's not above just braining someone with a club.Anti-hero/villainous MC with a code.

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

This is a story about the protagonist gradually uncovering the truths of various cultivation realms through a simulator, continuously improving himself in the pursuit of survival.Jiang Yifeng transmigrates into the eldest son of the Jiang family’s trading company in the Great You Kingdom. Initially, he believes he has entered an ancient society where he can spend his life idly enjoying entertainment. However, five years after his transmigration, the simulator activates.Each simulation allows him to randomly draw different talents.Three-Minute Enthusiasm: Every day, you will have three minutes of extraordinary heat and hard down below.Fitness Expert: Your physical training results are beyond the ordinary.Eye of Insight: You can see partial information about everyone.Extreme One-for-One: The person who kills you will die simultaneously with you.During his first simulation, Jiang Yifeng discovers that this world is not what he thought—it has cultivators. Moreover, in just over a decade, these cultivators will come to destroy his family. After this revelation, Jiang Yifeng begins to simulate continuously for self-preservation!Through simulations, he keeps exploring the truths of this world and striving to improve his strength. In reality, he continues his carefree lifestyle.After numerous simulations, he discovers that the place he inhabits is nothing more than a sealed-off area, akin to a prison.In this place, people are forbidden from cultivating or seeking immortality. Otherwise, they will be hunted by an organization called “Immortal Arrival Gate.”This discovery makes Jiang Yifeng feel even less secure, so he works harder at simulating to exchange talents and cultivation...As he simulates repeatedly, Jiang Yifeng finds that the truths of this world are far more complex than he imagined. Even he, along with those around him, seem to have extraordinary origins. And all of this gradually unfolds within the simulations.When Jiang Yifeng finally becomes invincible, the truth he uncovers is...

Ryu Han-bin, the main character who fell into a new world after being chosen as a ‘suitable person’.

Because of the error in the guidelines, the training is repeated endlessly…