"Ah, sorry, but..." you say, tugging on the girl's shirt. "I need to use the bathroom. Will you come with me?"
"Of course!" the girl says, standing up with you.
Luckily, there was no lines for the stalls, as the event was about to begin, but your content turned to unease as you saw a large dog girl exit the bathroom with a protruding stomach. You almost thought you could see her stomach moving...
"Is something wrong?" your friend asks.