I Got Stronger By Using Copper Coins Until I Am Invincible - Chapter 449 - Cooperation?  

The genius pharmacist transmigrated into a pitiful farm girl’s body. Ignored by her own father, abused by her stepmother, and bullied by her stepbrothers. Her “twin” brother was given to distant relative and she went as the “extra” to live under someone else’s roof.

Luckily she possessed mad apothecary skills. Collecting herbs, plowing herb fields, formulating medicines and treating the ills, she refused to live an ordinary life as she slowly uncovered the truth of her real identify.

Inadvertently, she saved a dashing man who was in reality a big, bad wolf hiding under the skin of an innocent little puppy. He pulled out all his tricks: I have no other means to return your favor of saving my life. What say I repay you by marrying you?

- Description from Novelupdates

Madeline Celeste d'Aumont is the first daughter of Duke Aumont and Duchess Louise-Marie d'Aumont who has been engaged to the Second Prince of Pays Des Abrutis since she was a child. The Second Prince decided to marry a woman closer to his own age and broke off the engagement to Madeline who was left with a broken heart and a reputation as being an unwanted woman even before she was an adult. The Duke decided to help his daughter regain her confidence and reputation by sending her to the Academy de L'échec.

Ito Aoi was the son of a Kendo master who ran a dojo in downtown Tokyo. One day while crossing the street to get some Yakitori, Aoi was hit by a delivery truck and woke up as the trash first son of Duke Montfort, Guy de Montfort. Duke Montfort also sent his son to Academy de L'échec only Aoi instantly recognized that he was now living in the world of an Otome Game that his sister loved to play and talk about all the time. Aoi recognizes that Madeline is the villain from the game. Aoi also recalled his sister saying that Madeline was terrible in the game, but is she really?

[Welcome to the Magic Universe, a world where magical power reigns supreme.][Congratulations on awakening the Infinity Money System.][Feel free to splurge your money and prove to the entire universe that there's nothing money can't solve.][If there is, it simply means you don't pay enough money!]So, the show of your adventure begins![Detected: Host burned Forbidden rank Scrolls for warmth, rewarded with God rank bloodline: Heart of Origin!][Detected: Host used Temporal Shard to ripen grapes, rewarded with God rank talent: Master of Time!][Detected: Host fed Leaves of the World Tree to a rabbit, rewarded with Mythical Beast: Aetherlapis!][Dear Host, you now bought and own the entire Magic Universe.][Which universe would you like to conquer next?]Good, let’s move on![Ding! Abnormality detected.][Warning, Host, you are not the only system processor…]

Payload specialist, Tang Yue, who is a mechanical and electrical engineer by training, is left stranded on Mars when he receives news from his AI robot assistant, Old Cat, that Earth has exploded. He believes himself to be the last human in the Universe.