The supporting character's harem is very normal - Chapter 461 Karol Magic Academy.

After enduring the wreckage of a broken marriage, Gabriel Williams finally made the decision to let go of his unfaithful husband. But letting go didn't mean forgiving and it certainly didn't mean forgetting. No, Gabriel craved something darker. He craved revenge.And that revenge came in an unexpected form: a dangerously attractive therapist.Someone who was supposed to heal broken marriages. Someone whose job was to mend, restore, and save love. Instead, this so-called savior became the very man who would tear Gabriel's marriage apart even further.“Make me moan, Mr. Therapist.”______Warning: This novel contains heavy smut and when I say heavy, I mean unapologetically explicit, raw, and relentless, r19. If erotic content is not your cup of tea, kindly look away now.For everyone else… welcome.

Harry was just an ordinary young man—until he stumbled upon a hidden world where the strong reign supreme, and Cultivation is the way to power.But fate had greater plans for him. Granted a God-tier system, he soon discovers a terrifying truth—his path to power lies in slaying beasts.[Congratulations, you have slain the Deathless Dragon.][You have reached Elemental master Realm][Congratulations, you have slain the Lion Emperor.][you have reached celestial sage realm.]While others were busy cultivating for years to level up.Harry was killing beasts.“You beasts are nothing but free exp”With each kill, his Cultivation increase, his abilities evolve.But Humans are not the only race in the vast universe, Earthlings got in fight with Dakis that gets strong by eating humans.Will Harry lead the Humans to victory or will get devoured by a daki.

As a wife fan of the popular idol Huo Xi, Qiao Qiao’s most hated person is Sheng Qiao, an actress who ties up with Huo Xi for hype.
Besides taking camera to join some activities, her major daily life is to diss this white lotus sincerely.
She doesn’t expect that she becomes Sheng Qiao after her head was hit one day.

During the shooting process of her first cooperated love drama with Huo Xi, the first scene was NG for 27 times.
Huo Xi: Sheng Qiao, can you do it or not? If you can’t , you can be replaced!
Qiao Qiao: Husband, don’t be angry, I can do it!
Huo Xi: ? ? ?

Media: Sheng Qiao Leaks Out a Close Appellation, Huo Xi’s Hidden Marriage Exposure
Fans: You f*cking shit, Sheng Qiao, you lotus bitch, come out quickily and apologize and clarify!
The next day, Sheng Qiao explains in Weibo: Well… Wife fan, get to know?

Fight back in a desperate condition and hold the throne strongly.
[From being sneered at by all netizens to being supported and liked by them, the heroine also falls in love with her idol by the way.]

Popular star Sheng Qiao is recently photographed dating the Film Emperor.
In an interview with the media, Huo Xi is asked to send his wishes to this fan in the entertainment circle.
He looks coldly at the camera: Fake.
Sheng Qiao dispels rumors in Weibo hurriedly: I only like my idol. I’m not double-minded. Thank you.
At that night, idol gnashes his teeth in anger next to her ear: Announce our relationship. Immediately! Right now!

- Description from Novelupdates

Xue Xi is forced to fall in love at first sight with this dangerous man on their first meeting. With death being the only other option, she makes the first move: