The supporting character's harem is very normal - Chapter 328 Thank you, Akna.

After five years, Ning Xi has returned and is out to take revenge on the sister who turned her parents against her and the childhood sweetheart who betrayed her for her sister. She aims to fulfill her childhood dream and become a famous actress. However, her sister is still out to get her, and she has to avoid all her underhanded schemes.

One day, after falling into one of her sisters’ schemes, she meets an adorable kid and saves him. This is how Ning Xi found herself staying at the autistic little kid’s house to help him come out of his shell. Slowly, his father, Lu Tingxiao, starts falling for her too.

- Description from novelupdates

Once an unsung slave; Yur’s existence was defined by blood, pain, and chains. That was until he stumbled into Zulmasharr, the realm of demons.In the depths of despair and agony, a near-death encounter unsealed the terrifying truth of his existence; he is no mere mortal. A cursed hybrid of human and demon; Yur’s survival was only possible through the bloody rebirth of his Ashkavaal bloodline and the awakening of his sinister cultivation system, Zul.With Zul, Yur can rear demons for rituals, harvest their power, and dominate the chaotic world around him. But freedom comes at a cost. As the incognizant successor to an ancient being, his every step is burdened by the weight of a destiny he never asked for. Yur craves only one thing: to stay free, unbound by demons and men. Yet his growing power and severed bloodline ignite the fascination of forces that would see him enslaved or slaughtered.Yur must steer through a world of demons where trust is a fault, survival is animus, and his very existence is a blemish. Blood will pour, flames will revolt, and demons... they kneel or die. But in the end, is freedom attainable for the bearer of a bloodline forged from blood and ash?Will Yur vanquish his fate or will it condemn him?

The Infinite Survival System suddenly appeared on Planet Blue. Those who are chosen are forced to survive in dungeons.

The Survivors can continue to grow stronger if they survive the dungeon missions. However, just one failure and it would be their deaths.

Every Survivor gets a talent. Some talents can boost the Survivor’s agility, and some enhances their luck, while Zhou Chen’s talent was Passive Plunderer. It allows him to plunder the passive skills of the monsters he hunts.

With that talent, Zhou Chen slowly gathers a powerful list of passive skills.

[No turning back to old love + single female lead + daily sweetness + no system, no Golden Finger + relaxation & healing + long-lasting romance]“Xie Xiao, you can't just stop wanting me after being so good to me for three years and getting me used to it. What do these three years between us amount to?” Zhou Mianmian looked at Xie Xiao with tears blurring her eyes and a pitiful expression.“Consider it my bad luck,” Xie Xiao said indifferently with a glance at her.“Are you mad at me because I didn't agree to be with you?” Zhou Mianmian reached out to grab his hand, her voice pleading, “Then let's be together now, okay?”“You deserve someone better than me,” Xie Xiao dodged her hand, pulling the beautiful girl by his side into his arms, “Wife, let’s go.”Now that I'm reborn, let someone else be the lovestruck fool.Xie Xiao just wants to live a sweet life holding the tsundere treasure of a girl he overlooked for years~----In his past life, Xie Xiao was blind, unable to tell the difference between a scheming girl and a treasure.To buy milk for the scheming girl, he got hit by a car and was paralyzed in bed for three years.In the end, the scheming girl turned around and went with another lovestruck fool.Instead, there was a proud and cute girl by his side...Until her accidental death...Xie Xiao closed his eyes in despair...If only time could be turned back...