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Yuuri Katsuki has been betrothed to the High King's son, Victor, since he was just a child; furthermore, as an omega, he's forbidden from practicing magic in combat. For years, he's been able to put off the former because the Prince was traveling abroad, and gotten around the latter by practicing with his mentor in secret.
Now Victor Nikiforov has finally returned home, and Yuuri is being summoned to the capital for their wedding. He needs a plan to put off marriage long enough to find a way to break the betrothal, while keeping his practicing from being discovered.
If only the Prince didn't have other ideas.
“There is going to be a war, Yuuri,” his mother says calmly, reaching out her hand with her palm up. Yuuri takes it, hoping to find comfort in the contact. He doesn’t. He only feels cold and empty He feels as if he’s left without any means to defend himself. “There will be hard times for all of us. Morooka, he can take care of you. You will be well fed and have a good roof over your head. He has status, and hopefully when the war ends, he will help this town prosper.”
“But I—”
“Yuuri,” his father interrupts, and Yuuri looks at him, feeling desperation rise in his chest as they lock eyes. His father looks sure, cold and determined. The first tear spills down Yuuri’s cheek. “You have to be honorable. You have to carry this family's honor. It is your duty as an omega. This is the only thing you can do for our family.”
Or. Mulan AU where omega Yuuri leaves home to protect his family and escape the destiny of an arranged marriage.