Lord of Mysterious Wizard - Chapter 482 - 458 Theodim City

A mecha otaku is reincarnated into another world as Ernesti Echevalier (Eru). In this world there exist huge humanoid weapons known as Silhouette Knight. Dreaming of piloting those robots, Eru, with childhood friends, Archid Walter and Adeltrud Walter: together they will aim to become a Knight Runner, pilot of Silhoutte Knight.

Witnessing her boyfriend cheating on her with her bestie, Shiyao was so angry that she went to a pub for fun and met a man, who was really a piece of work. After a crazy night she fled away, but was embarrassed to know that the man she slept with was her boss You Ze.
Jesus, give her a break!

- Description from Novelupdates

The daughter of a healthcare company's CEO, Ines Jackson was in an arranged relationship that was soon supposed to turn into a marriage.However, her fiancé, Trevor Harrington, was physically abusing her and using her only for her family’s status.One night, while running away from him as he chased her in a drunken rage, she bumped into a guy…not just any guy, but a famous boxer: Raphael Giovanni, whom she had never heard of personally.He saved Ines from Trevor, and in her rush for safety, she offered him a marriage in return.Unbeknownst to Ines, Raphael knew her father, who was responsible for his mother’s health issues and eventually her death.Seeking revenge, Raphael agreed to the marriage. But little did he know that the heiress would become more than just a part of his revenge plan.“You can’t love me…monsters like me don’t live enough to experience love.”

Arakawa Kouki is reincarnated to a Japan with a different history than the Japan he knows with the memories of his previous life still intact. Kouki was discouraged, “Aren’t reincarnation stories supposed to be at some fantasy world filled with swords, magic and elves?!”