MTL - Metropolitan System - Chapter 16 Is this about?

A Count’s Daughter who lost in the running to become the Second Prince’s fianceé, Camilla. The Prince chose a Baron’s daughter as his fianceé, and the world blessed the two’s love as fated. On the other hand, Camilla who was tailored and elevated as the love’s villain in the end, as punishment she was made to marry a terribly fat and ugly man――called『Toad of the Swamp』from his appearance, a lord of a remote region named Alois.

Before her reincarnation, Jiang Nanfei, after marrying Huo Beijiang, led a troubled life which included the tragic death of her younger brother, the early loss of her parents, and betrayal from those she trusted the most. After being reborn, she thanked heaven and earth, shamelessly tried to get close to him, stick with him, make him hers.In this life, she wants to clean the dust off her heart and through her own efforts, achieve the life she desires. The beauty of life is not only about the scum man in front of her, or the pure lotus far away, it is also about the family behind her, the friends around her, and the man who loves her dearly.

You thought being reincarnated as an extra-side character was bad? Imagine being thrown into the body of a villain who is disowned by his own family and discarded by the author.

【 Warning: Mature Content R-18 】Jack discovers an app that gives him the power to charm any woman he wants.From powerful CEOs and influential political leaders to enigmatic personal secretaries and alluring actresses, no one can resist his charm.Join Jack on an exhilarating adventure as he skillfully navigates a captivating world, effortlessly attracting alluring mercenaries, enigmatic maids, and even dangerously seductive mafia bosses, all of whom become his devoted allies.Jack's SUDIX App Profile:Name: JackAge: 25/85 (Extra life: $1 million/year)Height: 6'2'Attributes:Stamina: 10 (Maximum)Endurance: 10 (Maximum)Charm: 10 (Maximum)Abilities:Fiery Eyes Ability: This ability allows the user (often depicted in fictional contexts) to visualize sensitive points on women's bodies, revealing areas that may elicit heightened responses or sensations.Conception Control Ability: The power to intentionally decide whether a woman gets pregnant during sexual intercourse.Lust Demon: Grants the user the power to make any woman surrender completely after one encounter if they ejaculate inside her.[This Ability also has some hidden functions ]Women: (Count of women who are under his spell)Enjoy the ride; it's going to be a wild one!