Levi & Petra: *cleaning the HQ walls and dusting the cabinets*

Petra: *is humming when she sees something moving* *a mouse pops up, making her back down to the other side of the wall, trembling in fear* AAH! MOUSE!

Levi: *goes to her and comforts her* Ssh...sssh...where is it?

Petra: *relaxes on his hand* Th-There...sir...

Levi: *sighs* Okay.