The Best Assassin, Incarnated into a Different World's Aristocrat - Episode 19: Assassin is assassinating

what did you say?
Your mobile phone eight-core processor? 6G running memory? 256G storage? One and a half hours full of electricity?
Very great?
Our mobile phone 16-core processor, 12G running memory, 1T storage, can be fully charged in just 10 minutes!
what did you say?
Your charging treasure 30,000 mAh capacity? Two-way fast charge?
Sorry, our charging treasure has a capacity of 100,000 mAh. As for the two-way fast charging technology… Our 10,000 mAh mobile phone can be fully charged in just ten minutes. Can you tell me two-way fast charging technology?
what did you say? Our products are defective?
Come here! Come over and try, let you see how to kill you in minutes!
Super electronics, super cars, super buildings…
Since Lin Yun acquired the universe trading system, various industries began to get a strong impact…
Money is just a trail, and force is fundamental!
You said that Lin Yun’s goal is to dominate the earth?
Do not! Do not! Do not! You are wrong, his goal is the sea of stars

- Description from uukanshu (translated)

I never thought I had meaning to my life, but I guess I have a talent too.

「Get ready. The duel will begin soon.」

Ten Years after the Descent to Earth of a Radical And All-Knowing System Called Arkadia, Life has changed in ways we could only surmise given we lived in a comic book. People with superpowers, Monsters, Heroes and Villains, Hell, there were even Other races coming out of the woodwork like Elves and such. Still, it wasn’t until The Extraterrestrials Invaded that things went from bad to worse.Yet, as if hope truly existed, 5000 of us Earthlings were given the opportunity to Head back into the past, only we didn’t know at the time there was a cost for doing so. By sending us back, the Descent Clock began, as Arkadia was pushed 10000 years into the Future, and it was up to us Returners to get things set back on course by changing the past to mold the Future.And I, being a boogieman of a Villian in what I dubbed the Origin Timeline, have come up with thousands of potential ways to affect my new life, like stealing popular franchises to earn some long-term funds or….hunting down notorious Serial Kills and Solving long-standing Cold cases I had been curious about since I was a teenager.

Xue Xi is forced to fall in love at first sight with this dangerous man on their first meeting. With death being the only other option, she makes the first move: