R-18🔞 When Clark Monvalde the missing son of a wealthy family, was found wandering the streets, he was brought to an orphanage a place where he met Gea Golez, a quiet girl with a kind heart. Gea treated him like a brother. She was the only one who made him feel safe... loved... human. To her, he was family. But to Clark she was the only person he never wanted to lose. When his real family finally found him, Clark was forced to leave Gea behind. Months passed, and fate brought them together again in the most unexpected way when the Monvalde family decided to adopt a girl from the orphanage. And that girl... was Gea. Now, living under the same roof, Clark tries to hide the growing storm inside him the longing, the obsession, the love he's not supposed to feel. Because to everyone else, she's his sister. But to him... she's everything. "She calls me brother." But I'm the sinner who can't stop loving her."