The classroom suddenly gets silent as the students could hear a familiar footsteps coming in from the hallway. The door opens with a giggling sound that soon becomes a crazy laughter as Dr. Grey take a seat in front of the classroom bringing her usual large omnious briefcase

GOOD MORNING MY LOVELY LAB RA- ahem students! Prepare your safety vest and let's get started right away!

She throws the briefcase onto her desk and opening it, showing the class her latest invention