Billionaire's Lethal Sweetheart

He was the King of darkness, but for her, he was a gentleman. ... Soft, shy, and sweet, Annika Knight is the pampered and dotted princess of the Knights. Until she wasn’t anymore… Enter, Avery Clifford, the lost princess at the birth. She is found at the hospital; weak and pale. Yet has the power to shake the existence of Annika Knight with the blood running in her veins. She has come with a purpose: To rightfully become the princess of the Knights and become the center of attention. And she succeeds. Love. Attention. Warmth. Status. Wealth. Fiancé. She has snatched it all, leaving Annika broken and abandoned with the ticket of plane to the London by the very family who once cherished her. Flames of revenge and the want of what rightfully belonged to her burned deeper and brighter than the sun in Annika’s heart. It Took five harsh, but awakening years to Annika to finally understand the scheme created by the Avery Clifford and the real faces of her family members who once dotted her a lot. Coming back, Annika Knight was not the same person anymore. Regal, astute, and strong-willed, she became the weapon to tear down the Avery Clifford’s mask and rightfully get her status as the princess and wealth back! She became a sharp sword that can pierce the hearts of many who once deemed her worthless and unworthy. But among all this, there was a man who she offended accidentally on one full moon, who has come stronger and fiercer to make her repay by sealing her fate with him— Xavier Castillo. The man, who has the power to shook the continents and destroy the kingdom. The only heir to the Empire! He has been running after her, trying all types of seduction techniques to get her under the sheets with him, but he didn’t succeed. So he forcefully bind her with him through a shot-gun marriage and demanded her to become his future kids mother!! --- Excerpt: He took a step towards her, his gray eyes appearing dark and icy as he trapped her beneath him. "Let go of me!" Annika yelled as she struggled, her heart anxious and breath coming shallow. He held her tight and leaned in to her. "What did I tell you, dear Annika?" He asked, his voice barely above whisper but contained an unsuppressed raw anger that chilled her heart. Annika stayed still and didn't dare to move. Blue eyes of her looking anywhere but at him. Xavier pinched her chin, hard, and made her look into his eyes. "Look in my eyes when I am talking to you, Annika." he spoke, breath coming hot and raw. "Now, tell me." He caressed her face, gently. "What did I tell you, sweetheart?" Red warning emitting from his voice. Annika visibly gulped and shakily spoke, "You told me... that I am your person." "That's right." Xavier nodded, tapping his finger on her cheek. "Then sweetheart..." He suddenly cupped her face in his hand, hard. Uncontrollable anger emitting from his being. "Why did you thought that letting him touch you would be a good idea?" "I..." "You're my fucking bride and mine alone, Annika. Let anyone touch what's mine, I will destroy them and bathe you in their fucking blood!" he growled, deep and rough.