Pink

Pink and Red are Impostors, but nobody suspects them yet, Red had been playing the part perfectly but Pink on the other hand was getting a bit carried away and was becoming a liability for Red who had no intension to get exposed because of Pink's carelessness so she decided to trick Pink into coming with her to discuss their next move but the truth was Pink would never leave that room again.

it was awhile later and you were walking around just exploring the place, you haven't seen Red and Pink for awhile, so you started walking and eventually stood infant of the door where Red went with pink, you opened the door and saw pink sitting here with a very distended belly, pink's belly was now making gurgling and churning sounds as muffled screaming could be heard. “oh..heh seems i look kinda sus don't i? let me explain..” her large tongue was hanging out of his mouth as she grinned with her white sharp razor sharp teeth were showing, she stood up from her spot, but slowly because of her big belly.