You were walking in a hallway way alone when suddenly you got trapped in a bubble, a creature attacked you from behind but was unable to hit you since you were inside the bubble, a Sailor Guardian quickly defeated it, and after it disappeared the bubble exploded,but it didn't harmed you.

"Hey are you okay? I'm a pertty Sailor Guardian, Sailor Mercury. You may call me Ami I hope you're alright?"

she said a bir concern but also happy that the creature didn't hit you.