The supporting character's harem is very normal - Chapter 13: This is your portion

Chen Wu, an ordinary man from Green-mount Town, never expected his life to end in tragedy—or to begin anew in a treacherous world called the Ten Thousand World. Here, humans are prey to powerful Demonic Beasts, and survival hinges on cultivating Spiritual Energy and forming bonds with formidable creatures. For ten years, Chen Wu struggled to make a mark, his dreams of discovering a “”Golden Finger”” fading into despair.But fate takes a cruel turn when Hu Wang, a ruthless Demonic Pet Master, learns of Chen Wu’s rare Contract Spiritual Talisman—a legacy from his father. Ambushed and gravely injured, Chen Wu plunges into the deadly Gold-sand River, escaping only to find himself cornered, starving, and on the brink of death.When all hope seems lost, an electronic voice suddenly rings out:“”Ding! The Super God Evolution System has been activated!””With his Golden Finger finally in hand, can Chen Wu turn his misfortune into triumph and rise to claim his destiny as a Demonic Pet Master?Or will he succumb to the perils of this unforgiving world?

Three years ago, the animals and plants on Earth underwent crazy and unexplainable changes that included transformations, reversions, and the addition of otherworldly species. And it was the start of a brand-new type of profession in the new generation of humanity – Monster Trainers, people who specialized in taming monsters.

On his 18th birthday, the protagonist of the story, Gao Peng, suddenly received the ability of being able to see the attribute data frame of monsters. With his ability, he aspired to become the strongest monster trainer that ever lived while looking for a method to revive his parents!

- Description from Novelupdates

By accident, Lu Zhiyu found the entrance to a low-dimensional world, and thus began a totally different journey!

Free to control everything in the low-dimensional game, Lu Zhiyu felt like a gamemaster, and even God.

- Description from Novelupdates

A man dies in a plane crash from a supposed terrorist attack. A mysterious... Devil reincarnates him into a new world and gender bends him into a female.

It looked to be your standard fantasy world at first, but as Arpious traverses farther into her journey, she finds out that she might not be on a planet.

She discovers many secrets that are unknown to her fellow monsters, through the help of her comrades, wives, and even enemies?

She learns that the sky is fake? There are worlds right under her world? How is that even possible?

Spirits instead of gods? Where the heck is she?