I Woke the Sick and Disabled Prince on Our Wedding Night - Chapter 301 - Decision

This is a prequel to the anime movie To Aru Majutsu no Kinsho Mokuroku – Endymion no Kiseki.

Just before the completion of the Academy City space elevator “Endymion”, the main characters Kamijou Touma and Index encounter a level 0 girl named Arisa. The Magicians are after Arisa, and they attack Academy City. A female leader named Shattoaura leads a unit from Academy City against the attack. Kamijou and Index learn from Stiyl that Arisa is key to a brewing war between the sides of Magic and Science. When science and magic cross paths, the story begins with Endymion as its stage!

Ding![The Host has died!]A system message popped up in front of Nell's body after his last dying breath.Ding![Dark Evolution has been activated to absorb the death essence of the host.]And then he opened his eyes to find himself in the past right before the battle started.'Ah! Am I back to the past?'Ding![Please choose a partner to start the Dark Evolution process.][Partner Condition: Must be a living creature from the Monster category, not the Human category][Partner Gender has to be Female.]'Partner? A monster?'Nell's heart pounded in his chest, and he felt a cold sweat coming on.'A female monster?'

“I won't divorce you, Melissa. Until your last breath, you will live with me in this nameless marriage,” Radulf declared.Melissa Rosetta, the illegitimate daughter of the Alpha King and an omega servant, had no choice but to comply with her father's demand― marry Radulf De Lagrange, the fallen Alpha of the once-powerful Shadow Hunter Pack.Despite being the strongest dominant alpha, Radulf's influence and power crumbled when his father was accused of treason against the crown.As for Radulf's punishment? He was forced to marry a weak, wolf-less omega, who he had nothing but disdain for. To top it off, he was sent to the Western Frontier on his wedding day.Melissa eagerly awaited Radulf's return as she suffered through ridicule, believing that when he did, he would be happy to see how mighty his pack had become under her care.However, after four years, Radulf returned with a beautiful woman, shattering Melissa's heart.“You betrayed me while I stayed loyal to you. I don't want to live with you and watch your affair with another woman. Divorce me, Radulf, and free me from this marriage. If you don't wish to do that, then mark me,” Melissa demanded on the day of his return.“Divorce you, Feisty Princess? Never! If you want to get marked, then beg me or seduce me to do so,” Radulf challenged.On the day of his rut, he said, “Melissa, my mate, allow me to mark you.”

The world that nurtured the civilization which reached the pinnacle of magic was on the verge of destruction.
The last survivor transmigrated to the past, when the magic civilization started growing, as countless mages were still fumbling their ways through the thorny paths of magic knowledge.
He, who came from the end of the magic era, aim to reach the pinnacle of magic.

- Description from Novelupdates