His unwanted mate

"I don't want your love or anything from you, Anya," he flatly said. I smiled bitterly and bowed my head; tears started streaming down my face.
"I know Marcus, I know because I'm your unwanted mate."
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Anya Lynx Collins has always wished to find his mate. She promised herself that she would do everything for him to love her, and only her if she finds him. One day Anya's wish came true. She found her other half, and it was Marcus Cepheus Kingsley, the Alpha of the Dark Hound Pack, but unfortunately, Marcus Cepheus Kingsley was a heartless demon that doesn't want anything, even a mate.
Entangled with a person from the past. Dangers and confusions were everywhere. How will their relationship turn out?