Thunder Dela Cruz doesn't do love-not anymore. After the ultimate betrayal by the woman he loved and the person he trusted most, he shut his heart off for good. Now, he only offers one kind of relationship: casual, physical, and completely emotionless. No strings. No expectations. No complications. The moment feelings get involved, he cuts ties and walks away. So when Rain comes along, he gives her the same deal. One bed. No attachment. Nothing more. Einah, or Rain, knows saying yes is reckless... but this is Thunder Dela Cruz. A walking sin, dangerous and irresistible. She agrees, convinced she can handle it. That she can keep things light. That she can play by his rules. But how can she keep it physical, when he's the very man who's already held her heart-long before this deal even started? They promised no emotions. No falling. Just pleasure and secrets between the sheets. But what happens when pretending starts to feel real? And when everything falls apart... will he leave her too? Just like he always does? Will he walk away-for good?