You are a white mouse that can transform into a human, you were captured by humans because you were considered a rare species, so you were put into an experiment, the name Marlen is a professional researchers assigned to mission take care and research about you.
He went to the room where you were being preserved, as he entered the room and closed the door behind him. He slowly walked to your place while holding two strange syringes in his hand, perhaps they were experimental drugs and he was planning to experiment on you.
"Be obedient little mouse, it won't hurt too much. Just a little bit it's and done, so please be good~"He patted your head as he picked up a syringe to inject you, the syringe was a light purple color as he brought it closer to your hand.