MTL - The Life of a Villain Starting From Naruto - Chapter 124 so the answer is

Cheng Xu, whose entire property is a waste recycling station, accidentally awakened the system, but why does this system only have a [decomposition] function? So let’s start by refining the gold in circuit boards.

“Wait, I seem to be able to use it to probe?”

“It seems to be good for repairs?”

…

Since then, Cheng Xu has become a humanoid X-ray machine, a humanoid 3D printer, a maintenance master…

But when Cheng Xu completed the first system task, he found out that he really unlocked the system now?

This book is also known as “One Thousand Ways to Use the System” and “My Roommate Who Collects Waste at Home Becomes My Mentor after a Summer Vacation?” “, “You want to marry a waste collector? 》

- Description from novelbuddy

An experiment gone wrong, or possibly right? A Nascent Kaleidoscope opens his eyes.

A reincarnated Zelretch story. Previous Fate-series knowledge recommended.

A Fate/DxD/Multi Crossover.

In Light of the horrendous new update, know that I do cross post on Fan Fiction dot Net.

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Moe, a recent graduate from a prestigious university, is on the hunt for a job when fate takes an unexpected turn. After acing a crucial interview, he finds himself in a life-altering accident that transmigrated him into a Fantasy world.After transmigration, instead of gaining extraordinary powers, he awakens in the body of Arthur Jr., an incompetent king ruling over the small kingdom of Keldoria.In a realm where magic is commonplace, Arthur Jr. is unable to wield any magical abilities, leaving him at a significant disadvantage. However, armed with the authority of a king and the knowledge of modern society he will transform the small kingdom of Keldoria into a advance nation where technology and magic coexist.What is the key factor in building a great nation?--Its money. To obtain more gold, Moe, currently King Arthur need to create a new tax-system that benefit all the citizen while also maintain good relationship with noble even if the new tax system make them pay more tax.How will Arthur implement the rule and tax?When will he put his business and engineering degrees, which he studied back on Earth, to use?Find Out :)-----Disclaimer-------This is a slow-progression kingdom building story. The pacing may be a bit slow to reader but I will make sure that every chapters are amazing. Thus readers who like fast pace and very OP MC from start might dislike this novel.Reader can expect more macro economics than micro economics since this is building a kingdom/country instead of running a business. Also, MC will not have OP skill or ability but will balance it by making use of his knowledge and authority as a king.It is my first time ever to write a novel so to be honest,I use AI(GPT and Blackbox.io) to enhanced/rewrite my writing. However the idea, world building, concept and everything else is written by me and me alone.So reader who enjoy 100% Human work I am sorry to disappoint you, however I don't use AI by giving it idea prompt and copy pasting the result but I write on my own then I use AI to enhance my writing style and making it more enjoyable to read.Thus the writing may involved AI but it is 100% human idea and concept.Hope you enjoy!!!!

Su Ran, a music prodigy, woke up transmigrated into a book.

At that point in time, the main story arc in the book had already been completed. As a villainess female supporting character, not only did she need to take over the original owner’s pitiful life in poverty, she also gained an instant son right at his rebellious period.

Ten or so more years from then, the son would turn into a twisted, evil villain. He would appear in one of the extra chapters to pick on the male and female lead’s children.

***

Su Ran: Son, you shouldn’t be too outstanding.
Su Han: Why not?
Su Ran: ’cause you will be killed.

Su Ran: Son, would you like to learn music from me and become a zen, little fairy boy who only needs to drink dew.
Su Han: No, I want to go into business so I can support you.

- Description from Novelupdates