I Became a Level -99 Vicious Lord - Chapter 71:

“When everyone worked hard just to obtain pills, artifacts, wealth, or power. Well, hehe. All I need to do is buy them through the Invincible Exchange System!” Our protagonist said with a smirk on his face.

- Description from Novelupdates

Avery Carter discovered that she wasn't her parents' biological child.After living with them for so many years, she discovered she was separated from her twin sister, during a fire at the hospital where they were born. In the chaos, the twins were switched, and she was sent home with the wrong family.She was a fake heiress.When their real daughter returned, she was abandoned and she was sent away to her barren birthplace.After returning to her real family, many people expect her to fall from grace, but she surprises everyone by lifting her biological family out of poverty.Rising to the upper class, she befriends celebrities and engages in battles of wits and courage with bitches and jerks.Now the most important thing for her is to draw a clear line with this dangerous billionaire, Alexander Moran, a businessman who arrived in the City on a mission to secure a deal with V Group and find medical help for his sister. However, meeting Avery turns his attention to her. He is fascinated by her strength and the way she handles everything thrown her way. The more he interacts with her, the deeper his admiration grows.What starts as a business venture soon takes a personal turn. Alexander is not only impressed by Avery’s professional abilities but also her charm. As they get closer, he finds himself wanting more than just a business deal – he wants to win her heart too.

The mastermind leads and controls everything from behind the scenes.“Buy up all the food supplies entering Milan. Let’s starve them to death.”Cutting off the enemy army’s logistics is fundamental.“Give some money to that family and have them betray properly.”I scatter the enemy even before the war begins.I am the Black Merchant in Another World.