Fated Pair: A female Alpha and a male Omega

Fumino, an alpha, receives the life-changing news from her doctor that her alpha sex organs aren't functioning. She can't accept that she isn't able to impregnate omegas, and that's when she meets Kaoru, a male omega in heat. Fumino quickly realizes that they're a fated pair, but for some reason Kaoru, an omega, is pinning her down...