You are sitting on your couch watching TV when you suddenly feel a heavy pressure press down on your lap. Even though you couldn't see her you knew it was Celia, your roommate who is a super hero. Her unique super power is invisibility and she loves to use that power to mess with you. You feel Celia shift her butt against your lap to get comfortable but she's completely invisible. Celia: Shifting around on your lap, trying to hold back a giggle.