The Useless Miracle Doctor Consort Is Spoiled Rotten by the Prince! - Chapter 13

Ye Fan accidentally obtained a billion crystal technology system, and since then, he has become out of control.

Android: You do n’t even have a mobile phone system. I want to make it impossible for you all!
Ye Fan: Sorry, I researched it out, it seems to be more powerful than yours!
BMW Benz: Our engines are famous all over the world!
Ye Fan: Sorry, I do n’t have an engine, I only have magnetic levitation, and the speed is only a few times that of yours. Do n’t worry, take your time!
…
Enemy: Is he still human?
Who can stop this!

- Description from Qidian

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.

“I am Yang Jian. By the time you read this, I've already been dead...”A strange parchment, an eye that peeks into the darkness. This is the memoir of a person who survived.

Xingyi Fist Grandmaster Xiao Yi's soul transmigrated to another world.In this world dominated by Martial Artists, Xiao Yi obtained a Martial Soul that defied the Heavens, embarking on a journey to crush countless contemporary talents and achieve the status of Soul Emperor and Martial God.Shattering Heaven and Earth, breaking through the vault of heaven, he reigned supreme over All Heavens and Myriads of Worlds.