Transcendence Due To A System Error - Chapter 25: Twisted Twist

【You will encounter gongs in different worlds with different temperaments and different emotions. They are fine and loyal dogs. 】

【You are superior in appearance, they will love you at first sight, willing to sacrifice all, but soon they will get bored, betray, cheat】

【You are vengeful, and want to take revenge on that slag gong】

“Can.” Qin Mu then put forward his own requirements. “To fall in love, they first must have a good waist and long legs. The abdominal muscles must have eight blocks to satisfy me. As for the face, I am not superficial, as long as it’s of the highest quality I don’t mind.”

The thieves are caught, and those slag gongs take for granted that because Qin Mu loves them, he will choose to forgive them.【Smile】

However Qin Mu, who is cold to the bones, only smokes a cigarette and expresses his deep love to a new lover. “Beauty, I want to be with you.”

The slag gongs, “Please come back to me, I will never leave you… If you don’t agree and continue to hook up with other people, then I can only break your legs and lock you up. From now on, only I can see you.”

- Description from Novelupdates

After being awakened by a raging headache and faint memories of his past life, Tsubakihara Yuuji found a strange smartphone he had never seen before.Opening it, he found a single question that would change his life and many others for the better, forever.[Do you wish to join the Multiverse Group Chat?][Yes] / [No]

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

Another entry in what you can call the Proto Harem Series: the books written before the Harem Series that take place in the same world.

It’s about a swordswoman whose student is captured, so she goes to rescue her.