The supporting character's harem is very normal - Chapter 459 You can do it

This is a strange and inexplicable world…Mountains, water, stones, flowers, grass, trees, wood, the Sun, moonlight, stars… All creation under the Heavens and Earths are sources of energy. In this world, there are all the classics from his previous world, but there is a new addition: The Law of Dao. Fang Zhengzhi was conflicted. I can obtain power from reading books? Should I read Tao Te Ching first? Or should I read The Art of Becoming Invisible? What about the Analects of Confucius or… The Golden Lotus? With The Law Of Dao as his foundation, can Fang Zhengzhi master the Dao of All Creation and open the gate of God?

WARNING: DARK AND MATURE CONTENT. Readers discretion advised.Serena Alaric wanted nothing more than a quiet life, far from the shadows of her family’s dark past. But when masked enforcers storm her home and drag her into the clutches of the Council of Vitae, she learns her blood is the key to a deadly legacy she never asked for.Lucian Draven is the cold and ruthless leader of a powerful mafia syndicate, cursed to endure unimaginable pain. The Council claims Serena is his only salvation. Yet beneath the Council’s polished facade lies a web of lies, experiments, and betrayal that runs far deeper than either of them imagined.Forced into an uneasy alliance and given a time limit to produce an heir, Serena and Lucian must navigate a treacherous world of power and manipulation, where trust is a rare commodity. As they uncover the truth about the Council’s sinister plans, their hatred begins to give way to something unexpected—a bond forged in fire and blood.But with enemies closing in from all sides and time running out, Serena and Lucian must decide: will they fight their fates, or embrace the dangerous connection that could either save them, or destroy them both?

There’s SIS in great Britain, CIA in the US. In Huaxia, there’s Dragon Division, known as the mysterious power of the East.

When a soldier that originally failed to be selected to join, appeared on the Dragon Division’s list again, no one noticed, that this inconspicuous and humble looking guy was actually the Dragon King of the division, the one that’s most difficult to deal with.

He was a man, whose appearance gave every one existential crisis, including a fly that was consecutively caught by him with a pair of chopsticks.

Of course, this story is hilarious as well.
[Shen Yao laughed. “You think I would help you? For what reason?”

Xu Cheng sighed. “Shen Yao, to be honest, you are really pretty.”

“Humph.” Shen Yao snorted coldly, “Can you elaborate on that for me?”

“I don’t know how to get into details, but I can only say that when I accidentally tore your skirt today, I got a boner.” ]

- Description from Novelupdates

The ultimate power that controls everything... Time.

Rock, reincarnated in Shun Long's half-dead body when a mysterious rock merged with him, and a sudden influx of information flooded his head.

He is now cultivating in a mysterious technique that can affect time, as he adventures through the cultivation world fighting geniuses, while he reaches the pinnacle in both martial arts and alchemy.