Re:Zero Kara Hajimeru Isekai Seikatsu - Arc 1 – Chapter 16: Negotiation In The Slums

The aristocratic Lu family has produced a joke, a beautiful one, but a joke nonetheless. The daughter they have been rearing all this while turns out to be an imposter! With the real heiress returning to take her rightful place, everyone is eager to know the outcome of the imposter…Will she be able to survive in poverty after living a life of riches?Having just transmigrated, Huo Yao imagines that this experience will be pretty interesting. However, imagination and reality are always so different!Dad: “Daughter! Take this black card. It has no limit! Use it freely.”Mom: “My dear Yao Yao! If you don’t like this jewelry, I’ll get them to change it immediately.”Huo Yao: “…”Weren’t they supposed to be poor and ordinary? What is with this hidden lavish behavior?Her eldest brother, an investment company’s CEO: “Sis, inherit my company!”Her second brother, a top lawyer: “Whoever dares slander my sis will face the full brunt of the law!”The third brother, an international genius doctor: “Bullying my sister? Should I display the prowess of my scalpel?”Mysterious fourth brother: “My sis is the cutest!”Huo Yao: “…”What happened to being a good-for-nothing person who lives off her parents?A top aristocrat secretly changes into his cheap clothes and drives his crappy old car to her. “Baby, my heart is yours. Why don’t we get married to test if I’m telling the truth or not?”Everyone who knows about it, doesn’t dare say it out loud.All they can do is curse inwardly: “Bah! Keep acting! No one believes it!”

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates

When I was 15-years-old, during the year that I graduated from middle school, my father told me this.

One of the top expert killers, tired of endless assassinations and having survived a cruel and suppressed life, decided to escape the world’s strictest assassin organization.