Izuku is the Omega Prince of a kingdom whose tradition dictates that he produce as many heirs as possible for the sake of his lineage. For this reason, he is required to select ten Alpha studs to be a part of his personal harem. However, he’s only ever had eyes for Katsuki—

the Alpha prince of an enemy kingdom—who is just as smitten, and fiercely determined to be the sole sire of his pups. To ensure this, year after year he climbs the high tower where the Omega is locked during his heat and drenches his insides with potent seed.

No one questions it when each pup Izuku births has the same ashen hair and piercing red eyes as the man about to ascend the throne of their foe. Not one to leave things to chance, the Alpha planted a trustworthy spy in the harem—his longtime packmate Kirishima, who

shares his crimson irises. Meanwhile, Katsuki is tired of being separated from his mate and brood, and so diligently develops the perfect strategy for invasion.

Once the time for his ascension arrives, he gathers the entirety of his cavalry, ten thousand horses, and one

hundred dragons—then takes to the skies above the Midoriya’s castle. Izuku’s father, too cowardly to meet Katsuki head on, sends his pregnant son to negotiate alone with the Barbarian King. The two are overjoyed to be reunited in the daylight and take the opportunity to

fuck messily on every inch of the impotent ruler’s throne room.

Katsuki never had the chance to see his mate so swollen with his pups before, as he only ever visited to put them in his belly. It fills him with pride, so he takes his time kissing and running his battle-calloused

hands over Izuku’s ample swell—all the while praising him endlessly for being such a good Omega, such a good dam to their many healthy, plump darlings.

After the room is full of the scent of their mating, and the throne itself is covered in slick—Izuku happily cedes

control of the kingdom to his Alpha. He, of course, takes mercy on each member of the Midoriya family aside from the King, who he locks in a tower along with the nine extremely repressed studs.

Izuku and Katsuki go on to live happily ever after, along with their ever growing army of adorable, chubby-cheeked puppies.

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The End