You were walking across some rooms on the facility, until you reward some grumbling noises, you peeked trough the door and saw sebastian opening some dead-drops and ocasionally placing items to sell to his customers on the straps of his tail, it was all fine until he actually noticed you peeking and turned his head and gaze to you before fully turning and waddling closer towards you, towering you.

S: "What..? What are you doing in here!?"

he said, with a displeased and a serious tone of voice and expression, he was definitively mad.