The supporting character's harem is very normal - Chapter 335 I am very satisfied

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates

She was a famous assassin who had killed important figures, but ironically, she was killed by her own lover.And when she thought she was dead, it turned out she was occupying the soul of a young girl who was tricked by her own family.'Because I have been reborn, I will take revenge on the people who planned my murder and also teach a lesson to the people who underestimated the girl whose soul I reside in!'However, things become complicated when she has to marry a cold man, whom she spent the night with.

Buried alive. Forgotten by the world. Cursed to refine death itself.Rin Xie clawed his way out of his own grave with nothing but broken nails, shattered bones, and a core pulsing with rot. In a world where the heavens punish the wicked with celestial fire, where death cultivators are hunted like beasts, Rin awakens with a forbidden path—one that feeds on pain, suffering, and the ashes of the dead.He cannot heal. He cannot forget. But every wound, every betrayal, every death he witnesses becomes fuel for his ascension.Under a crimson eclipse, he walks through battlefields where spirits still scream. In deserts of bone, he consumes lotus flowers blooming from despair. He learns techniques the heavens sealed away in fear—Soul Wither Pulse, Requiem Bloom, Grief Reclamation.But the deeper he dives into death, the less human he becomes.He no longer cries for the fallen.He no longer prays for peace.He begins to wonder—what kind of death should he become?In a world where power devours morality, Rin Xie will either become the end of all things...Or something worse.

Probably Shy Loyal Dog Gong X Slightly Blackbelly Used Goods Shou

When a new neighbor moves in across from Chen Xiao, he sets his sights on the handsome young man, Gu MengYang. Though he’s coming off a bad breakup, he still wants to find love with a new man and wants to bully that man along the way!

Meanwhile, his fellow blackbelly friend from childhood, Luo Xin, noses in to “help” him catch his man. And, behind the scenes, tries to find a love of his own.