From Reader to Ruler: The Forgotten Prince's Rise through Harem - Chapter 10: Leena in Heat

Silver Ventirose experiences the biggest turnaround in his life after he consumed to the other side a great portal.Transporting him into a world where only he can cultivate and that too very easily!!He is given the task to take care of primordial serpent's child. With his maxed out luck and the system on his side, he hopes liberate the world from the evil that comes.----The pace of the story is medium as I like to live in the moment a bit more than others, but some scenes will move faster too avoid too much bore and lore dumping.

“Send me to the past.” That’s how the first step toward revenge began.

When Lin Su discovered he could travel between two different worlds with his tamed beasts, the world gained a Beast Tamer formidable in a way that defied science.-----------------------------------Without a system, without a female lead, Crossing Two Realms, original taming beasts

Mu Zhiyan, after being transmigrated a millennium (1000 yrs) into the future, discovered that he was raised by his adoptive parents as a tool for them to access the heritage his (dead) biological parents left behind. When he was at a loss for what to do next, he discovered that his body hosted an additional
pharmaceutical system.

For a chance to return to his era of Earth, Mu Zhiyan decided to practice and practice; he must train the system to full level as soon as possible.

However, reality gave him a slap in the face. The world is dangerous and dreadful, making Mu Zhiyan recall his mother’s words of holding a thick thigh, resulting in him locking his eyes on a cool general…

So the rumored mysterious Mu Master faced General Han with a serious face: “I allow you to follow me, General Han.”

General Han: “…”

- Description from Novelupdates