Raiventon

Raina Merrick wants only one thing in life—to be free of her father's ruling hand. Then the husband she barely knows walks back into her life and what she once considered important suddenly falls apart. He's little more than a stranger, but ignites an undeniable passion in her. Focused on making their relationship work, she plans for their freedom… but her actions may ruin the very future she's trying to build.

Kevin Merrick serves Sziveria as the Master Guardian Raiventon. His rare Interceptor Gen-Heir talent makes him indispensable to the First Intelligence Office. One of the few capable of keeping Raina safe from an unknown threat, Kevin signed a contract with her for life—in marriage. The unimaginable desire she awakens within him becomes a temptation he can't allow. Raina would never understand the true cost of forever at his side… 

Kevin's genetic inheritance of lightning-fast speed and reflexes are tested as the threats converge on them both. Mounting danger and scorching passions may jeopardize everything…