Arifureta Shokugyou de Sekai Saikyou (WN) - Volume 3 Chapter 4

The Empress who dies in torture, An Rushuang is her name. After she wakes up, she finds herself has time-travelled to when she was twelve years old, but she would turn into Major General’s white horse at night. He is a general who orders about the winds and clouds on the battlefield, and she is a little girl lives in her boudoir seclusively.
She endeavors to change her fate, and he spared no effort to win every battle. They meet each other every day, well, it’s night to be accurate. Is that a dream or not? She pleads to marry the seignior to win peace for her family, only to find he is the one she is going to marry.
“Growing old with you under the same roof is my long-cherished wish”, thought them both.

- Description from Novelupdates

As an author who transmigrated into her own abusive novel, Shi Luo didn’t feel any pressure from it. Besides, it’s not like she transmigrated into the female protagonist who got abused physically and mentally anyway. And so she decided there was nothing she had to do, all she had to do was just to watch it unfold in front of her eyes.

But this development seems a bit wrong! Wasn’t this supposed to be an abusive novel? How unlucky!

- Description from Novelupdates

WARNING: MATURE CONTENT | HAREM | R18+ | COMEDY | ACTION | FILTHY ROMANCE[Ding!][Author Mode Obtained][Author Mode Activated][Welcome, Harem Overlord]After a freak accident, Steve Jobson wakes up inside the world of his own novel—where women dominate society as powerful mages, and men are seen as little more than afterthoughts.However, Steve isn't just any man. Breaking the very rules of this world, he awakens magic of his own and earns the right to enter the prestigious—and formerly all-girls—Arcane Bloom Academy.Armed with the forbidden ability to rewrite the very events of this world, Steve’s journey isn’t just about getting stronger...It’s about taking everything he ever wanted—pleasure, power, and absolute dominance.With a world full of MILFs—women deprived of men for far too long—desperate and hungry for his touch, Steve is more than ready to satisfy them all....From his own busty mother to the head mistress of the academy...Every Milf is his!The story is only just beginning...But somethings, even an author can't predict how a story ends.There will be Smut, Hardcore Harem, Power Progression, Magic Battles, Dark Secrets, Taboo Love, and Severe Degeneracy.Additional Tags: Magic Academy | MILF | Forbidden Love | System | Domination | Reverse Society | Smut | Revenge | Comedy

On the desolate barren planet of Rennes, an Asian teenager named Lin Yuan receives an admission notice for the Empire’s best military academy San Romia. So begins his life changing military school career.