The supporting character's harem is very normal - Chapter 397 Male Protagonist - Dorack

Lin Chuan, a struggling writer, finally got his golden finger—the Career Life Experience System.Randomly experiencing a profession, after the experience is over, novels will be generated based on Lin Chuan's experiences.But Lin Chuan found that the professions he experienced were all too sketchy!Swindler, Assassin, Hacker, Touch Gold Captain...Corresponding novels were born: “Swindler,” “Hacker Kingdom,” “Touch Gold Notes,” and others came into existence.Before he knew it, his works became popular.Selected reader comments:“This book describes things too realistically, this is definitely an autobiography!”“With you confessing and me confessing, Mr. Lin will end up in prison sooner or later.”“Author Lin Chuan (×), Suspect Mr. Lin (√)”Unexpectedly, the reader's prophecy has come true!The police showed up, “We suspect you're involved in serious illegal and criminal activities!”Lin Chuan, “Huh?”The police, “The crimes in your novels, they're your actual deeds, right?”Lin Chuan's vision went dark.Done for, I've written myself into the station, but I'm really not a criminal suspect!!!!!!

Traveling through the world of One Piece, Ron, who became Kuina’s fiancé, awakened the god-level theft system.

In order to become stronger and change the fate of Kuina’s death, and to survive in this dangerous era of great pirates, Ron started to steal Sauron’s top kendo talent.

And that’s just the beginning.

In order to become stronger, Ron embarked on a journey to steal the talents of the world’s strongest.

“Ding! Congratulations to the host for stealing Karp’s physical talent!”

“Ding! Congratulations to the host for stealing Nika’s talent!”

“Ding! Congratulations to the host for stealing Shanks’ domineering talent!”

“Ding! Congratulations to the host…”

- Description from novelbuddy

Li Daoyuan accidentally traveled through the world of novels and became the father of the second-generation rich second-generation villain in the early stage of the novel. At this time, his useless son has already provoked the protagonist of the novel’s destiny, and will soon bring the entire family into the ditch. Li Daoyuan wants to change his destiny from the root…

- Description from novelbuddy

Ryan Carter, a die-hard fan of Russell Westbrook, tragically dies in a car accident after watching one of Westbrook’s most electrifying performances. But death isn’t the end—it’s the beginning. He awakens to find himself chosen by the mysterious Basketball Soul System, granting him a chance to be reborn in a parallel world with the abilities of any current NBA player. Without hesitation, he chooses his idol: 2016–2017 MVP Russell Westbrook, in his prime triple-double form.Now reborn in the basketball-obsessed world of the ABA, Ryan joins the Iron City Roarers. With unstoppable athleticism, relentless energy, and a hunger to win, he begins carving a new legend—one fast break at a time.