A Master Comes Down the Mountain: My Invincible Senior Sister

Lin Yan had been frail ever since childhood because of congenital heart disease. His master spent every last penny trying to keep him alive. When Lin Yan was five, human traffickers abducted him. A mysterious organization later rescued him, but what he remembered most was the senior sister who had cared for him devotedly. Now the mighty War King has returned, and the first thing he asks is, “Have you heard anything about my senior sister?”