The supporting character's harem is very normal - Chapter 32 Blood Frenzy

After getting betrayed and killed by the only person she’d loved, Miss Shang wakes up in the body of the cowardly crown prince Shang Wuxin, who, due to her own circumstances, was actually a girl cross-dressing as a boy. After inheriting the crown prince’s memories, Shang Wuxin has three things on her agenda:

1. Clean up the house

2. Gather loyal followers and soldiers

3. Get the throne

- Description from Novelupdates

Anne's life takes an unexpected twist when she meets her mate, the Alpha wolf prince Damien. Her world shatters when he rejects her, casting her out of the pack and into exile. To escape certain death, Anne flees to the human world, hiding her true nature and the secret she carries.Five years later, Anne has built a new life among humans, raising her son in peace. When Damien unexpectedly stumbles upon Anne and discovers their child, the heir to his pack, old wounds are reopened, and forgotten bonds are reignited.Damien is determined to reclaim what he lost, but Anne is no longer the same broken wolf who once loved him. She is stronger, fiercely protective, and unwilling to be hurt again. As Damien battles to win back her trust and integrate their son into his legacy, they must navigate a path of betrayal, redemption, and unknown enemies.Can Anne forgive the past and accept a future with the man who once shattered her heart? And can Damien prove he’s worthy of the mate and child he abandoned?

[A soul forsaken by the Gods and a body on the verge of death - The Darklord of the Endless Abyss has noticed your existence and is offering you a contract. Will you accept?]As he lay on unfamiliar land, his body covered in wounds and blood, Levi heard the voice of providence that he had craved for years.In a magnificent and mutated future, the advancement of technology and space exploration has opened new paths unknown to humanity. Being the curious creatures they are, and with hopes of saving the dying Earth suffering from resource depletion, humans began to explore these unknown lands.It was there that they discovered the treasures of the otherworld - artifacts and magical items that defied all scientific knowledge. But along with these treasures, humans also encountered dangerous and vicious monsters capable of tearing them apart with a flick of their fingers.However, humans were persistent. The treasures of the otherworld were too enticing to ignore. They struggled against the odds and found a way to fight these monsters by making contracts with the gods.The gods of the unknown lands bestowed extraordinary powers upon humans in exchange for the promise of extinguishing all the monsters. But not everyone was so fortunate, like Levi, who failed to pique the interest of any gods, and became one of the Forsaken.The Gods had forsaken him, so Levi decided to forsake the world - he made a contract with the Demon King himself!

Ling Fei, the son of a fisherman in Sanxian Island, was accidentally involved in a mysterious continent–Arad, after learning that his celestial destiny was shallow and that he had no way to ascend.

Sword, there are unique adventurers here. Ling Fei, who has just arrived, has a mysterious mission and an ancient blood. The silent Grand Forest is roaring, the ancient ruins of the king are lamenting, and it is unknown what the legendary headless horseman is chasing.

On the ground, Ling Fei gets acquainted with his partners, takes risks, and becomes a legend!

- Description from novelbuddy