The Reborn Aristocrat's Daughter - Chapter 841 - 801 Finally Born

Mimizuku, a small girl with chains on her wrists and ankles and the numbers “332” branded onto her forehead, wanders into the Forest of Night seeking to be eaten by a monster. However, when the ruler of the monsters, the mysterious and beautiful “King of Night,” refuses to eat her, she tries to formulate a way to convince him otherwise.

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

- Description from Novelupdates

“I want to be someone who matters. And I want to know what it feels like to be in love.”Ezra sold his soul to the Storyteller for a chance to live in a world of magic. But Oberyn? - he was cast away from his home, shackled by a destiny he refuses to obey.But destiny isn’t the only force pulling their world apart. A surge of wild magic threatens to unravel everything, and neither can control it. If they want to survive, they’ll have to surrender to something even more dangerous: each other.At first, they’re reluctant allies. Then friends. Then… something neither of them is ready to name.Ezra is plucky, affectionate, and full of heart. Oberyn is proud, aloof, and single-minded in his goals. They couldn’t be more different - until Ezra’s Desire System reveals the one thing Oberyn wants more than anything else.In a world where magic bends to will, control is everything. But when fate ties them together, who will be the first to give in?Genres: Transmigration, System, Magic, Romance, (R-18), boyxboy (bxb)

With a marriage contract forcefully done, he married her, and all she could do was comply, and resent him deeply for that and for all the following misunderstandings they faced.
However, it was already too late when she understood she actually loved him.