Reincarnated as the Baron's son: My Infinite Card Upgrade System - Chapter 22: Diamond Arthur.

“Young man, your chastity was lost.”

“Σ ( ° △ °|||)!!”

Give up your virginity to save the world! Our motto is–” “I didn’t think it would be bent, la la la la la!”

- Description from Novelupdates

Years ago, Earth was indoctrinated into the “System.”Earth was not the only place with the System, however. With the System came the other races, Invaders. The Invaders had one goal, to obtain ownership of this new habitable planet. This created a bloodbath, and for years the war raged.This didn't really have much to do with Derek. Derek was kind of a loner. Yeah, he enjoyed the occasional chat or drink with others, but he never stayed in one place too long or really got to know anybody new.Derek did happen to be rather strong. After the years of fighting monster and Invaders alone, he had become quite adept at surviving. One thing that helped keep him alive was his refusal to get involved with others. He rarely cooperated with teams.One day, Derek broke his rules and decided to lend some help, as the mission didn't seem too hard. He should have stuck to being alone.

Leon was a robotics engineer with a bright future—until he was run over by a military truck and killed on the spot. But death wasn’t the end. Thanks to a cosmic glitch and to an idiot, Leon wakes up in a new world, reincarnated as the son of a minor noble family guarding the wild frontier of a massive Empire. With his intact mind, enhanced brain, and a world begging for progress, Leon sees opportunity everywhere—one that he will grab for sure.But not everything will go smoothly. Monsters come over in the winter, the Empire monopolizes magic and technology, and society clings to barbaric ways. Refusing to accept the status quo, Leon decides to reshape his family’s backwater territory into a land he would enjoy living in. Armed with knowledge from his old life, modern problem-solving, and an irreverent attitude, he plans to revolutionize his territory. But in a land where magic is rare and unknown to ordinary people, he knows he’ll need more than blueprints to succeed. He will need his own wizards and witches...Hey-ho! Welcome! I thought I need to add some information to those who want to know if they should just skip it or not: First, I ain't planning to introduce world-changing, thought-provoking ideas here. It is all for the plain and simple reason of having some fun. What you need to be aware of if you need more details:- Yes, this is an isekai story. No, there are no 'cheats' or systems involved with gaining skills. He is just a guy reincarnating with a gene-modified brain, so it explains why he can remember things and be smart. That is it. Think of it as him having a perfect memory. If you perceive confidence as arrogance, you may very well dislike the MC right off the bat. He is not someone who will lay low and try to blend in when his territory is the most backward and abandoned place in a vast Empire. Where the throne is so far away, messages take months to go back and forth.- The story mostly focuses on kingdom-building stuff and slice-of-life elements, not on conquest or curb stomping others. The main conflict will be centered around wars, yes, but it won't be one guy vs. the world or something like that. Magic is going to play a big role in building up the territory, as I plan to branch out into magic technology later on. I am going to rely heavily on magic because I am mostly a fantasy writer and not an engineer.- The MC's main goal is to enjoy himself. This also means girls. So there will be a harem. Those who are familiar with my works, how I do groups, and how my characters act will know I don't like doing cardboard cutouts of characters. Most of my stories have more than one character accompanying the MC. The same will be true here, with the extra caveat that they will also be involved romantically with the MC. - The story plays out in a 1st person POV. There won't be jumping around multiple POVs; I don't like that. Only when the story requires it and the MC can’t be present by himself for some story parts.- Don't take this story seriously nor look for scientifically 100% real and codex-like solutions for problems. This is a fantasy world, a totally different culture, and with history, that is NOT OUR world! There is magic here, and the MC has a supercomputer for a brain. I think that says it all. - My main goal is to enjoy writing some whacky but real-sounding scenarios. They will be based upon feasible ideas, but I am not writing a damned textbook about thermodynamics. Laws will be bent and broken when the story needs it.- Regarding smut, there are some chapters with erotic scenes, but not every other chapter. So expect it when the mood is there in the story and not because I must cram as much snu-snu in as possible... That won't happen.- No guns. Why? Every similar story has guns. This doesn't. This has mechs and power swords. Why? Because I said so.

Ding!{You've awakened the Echo System.}Scarlett Jerkins' dream was simple: wealth and the freedom to indulge. But when she let love in, she regretted it as her life was brutally cut short by her husband's family, ending a six-month coma but fate had other plans.Scarlett's eyes flickered open to an unfamiliar world, guided by an enigmatic system that revealed her new reality: an apocalypse world where monsters born from history deceased roamed free.She discovered that she was among the chosen members chosen by the system destined to save humanity. But this newfound purpose felt like a curse. Having escaped death only to face it again was a cruel twist of fate. And to make matters worse, her life was now tied to Garvin Johnson, her former rude, spoilt brat boss, whom she must protect at all costs.As she navigates this treacherous realm, she must confronts twisted creatures born from history's deceased. With the three elements at her command, she must gather resources, slay monsters, and safeguard Garvin.Scarlett's drive for survival becomes a quest for redemption, fueled by her past traumas and newfound purpose. As stakes escalate, Scarlett and Garvin face impossible choices, forging alliances with other chosen members who were handsome men and confronting enemies in a desperate bid to ensure humanity's survival.