Female protagonist, originally 20 years old and a third-year medical student at XX Medical University from the original world. Her parents died during a global pandemic. She was interning at YY Hospital Emergency Department when she traveled through time. In this new world, she inhabits a 15-year-old body with the same name and identity of Scavenger. She is calm under pressure, quick to self-diagnose, and resourceful. She carries an emergency medical kit and a high-tech metallic wristband. She has a severe wound on her left arm from shoulder to forearm and is suffering from fever, anemia, and malnutrition.