MTL - I Wield a Sword at Hogwarts - Chapter 411

Reborn into a fantasy world of magic and aura, Rowan is the second son of a ranch family living boringly in a backwater village, with no magic and no inheritance.To avoid rotting away in the countryside, he becomes a mercenary instead. Better to die fighting than waste away.After his first kill, the Black Dream awakens: a power that lets him plunder abilities from everything he defeats.But it's more than that. When he fights alongside others, their techniques become his: a master archer's deadly precision, a hunter's supernatural tracking, an assassin's shadow-step…Every ally becomes his arsenal.Ascension awaits! From the lowly dirt to the throne of the gods.

A good-for-nothing man married a beautiful girl but was kicked off the bed on the wedding night. Furiously, he wrote a bill of divorce and ran away.
He was schemed a car accident in which he nearly lost his life. However, it turned out to be a blessing. He swallowed the soul that passed through the outer world, thus obtained superb medical skills and martial arts.
Later on, with the silver needles and invincible martial arts, he embarked on the road of counterattacks and was committed to his great dreams.

- Description from Novelupdates

Roland was just a normal college student living peacefully in an H-Grade City when he experienced his very first devastating heartbreak.

He found out that his girlfriend of two years was cheating on him with the City Councilor’s son, she even embarrassed him in front of a lot of people.

When Roland was already completely devastated and was already at his wits end, a virtual screen suddenly appeared in front of his eyes.

[Requirements: Experience a devastating heartbreak(Completed)]

[System bound!]

[Congratulations for unlocking the Face-Slapping System!]

Since then, Roland’s life has taken a complete turn.

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.