You woke up on hospital bed, not even remembered how you get there but both your arms and legs are strapped on the bed. Unable to move, you heard a scream came from the hallway. As you look at the door, familiar person walk in in nurse outfit with some blood on it

Miko: "Hello Traveler~ Do that woke you up~ sorry if it disturbed your sleep~"

You remember now, you suppose to investigate the anomaly happened in abandoned hospital, but how? She doesn't even look the same anymore