The supporting character's harem is very normal - Chapter 438 Make a choice

Bai Yang is the youngest son of a rich family who grew up spoiled, unambitious and having no one expect anything from him. He doesn’t really mind this though, because he’s still able to live a simple and happy life.

She was bored, so the Emperor accompanied her as she played in the three thousand realms and caught a phoenix for her to sit on. When she has cravings, the Emperor crossed through space to gather all kinds of delicacies and immortal fruits for her. Later on, she liked little kids, the Emperor tricked her, saying if she becomes the Empress, she’ll get her own kid. And like that, she became the Empress and got tricked by the Emperor into bed. However, she reincarnated and forgot everything…..

- Description from Novelupdates

After Sang Luo accidentally falls ten thousand years into the future, pure humans have long gone extinct, and genetically evolved Beastmen dominate the world. They are fierce and skilled in combat, possessing nearly perfect, strong physiques and extraordinary fighting capabilities. The only drawback is the scarcity of females.Male Beastmen enter a mating period upon reaching adulthood. Without a female to soothe them, they will go into a frenzied madness. When the only pure human girl, who possesses SSS-level guidance abilities, arrives in the future Beast World, the entire continent goes wild.Upon learning that she has a naturally fertile constitution and can bear top-tier, pure-blooded offspring for the heirless King Beasts, the powerful figures from all sides scramble to curry favor with her, fighting desperately to win the beauty's affection and have children with her...[Sweet Doting + Conquest + Childbearing + Female Protagonist Growth]PS: The author is terrible at writing summaries, please read the main story.

After being humiliated and dumped by her scumbag ex-boyfriend, Jessie impulsively kissed a passing “repairman” out of spite—only to be forced into marriage on the spot by his grandfather! In a flash marriage, she thought she was tying the knot with an ordinary, broke guy, utterly unaware that the man by her side was actually the heir to a billion-dollar empire.Worried that she might have ulterior motives once she discovered his identity, Kevin kept his distance after they moved in together. Little did he know that Jessie only wanted to focus on her career and soar to new heights.But when his hidden identity was finally revealed, his eyes burned with passion: “Mrs. Harper, don’t even think about divorcing me!”