Elsewhere on the college grounds was professor Lily Jules. She normally brought her own lunch to work but today she was running late and wasn't able to, thus she ended up grabbing something from the cafeteria between classes. She was now relaxing in the lounge, a dozen or so other faculty members similarly on break.
Just as she was heading towards the door, she felt a strange rumbling in her body. She was ready to dismiss it as simple gassiness from not taking her lactose intolerance pills before her meal, which included a small amount of cheese, but then her blouse was suddenly torn off as her breasts, all nine of them, exploded several cup sizes bigger. These tits, each one bigger than the woman's head, were arranged in a reverse pyramid shape with four on top, three in the middle, and two on the bottom. Alongside her tits, her entire body also began to grow larger as if to make room.
The sudden appearance of these tits caused Lily to shriek, getting the attention of everyone in the lounge. These people, their immediate reaction to help their coworker, ran over to see what was wrong only to realize far too late that they should have fled as Lily was overcome by the instinctual urge to spread her mutation. The woman, whose head would have hit the ceiling were the lounge not built to accommodate mutants, saw the bundle of people near her and simply fell forwards. This action was, truthfully, only half willing on Lily's part as her hips had reconfigured themselves into a quadrupedal stance at that moment as well but the exact reason hardly matters now that everyone was now trapped beneath her breasts, which now sloshed with milk.
Lily's body continued to grow; rows of glimmering pink scales covering her from head to toe as her body became that of a feral dragoness, albeit one with nine, milky, beanbag-sized breasts. Her arms were now clawed forelegs while her legs had become talons. A spaded tail as long as her thirty foot body emerged from above the cloaca that now sat between her rear cheeks. Her head was a reptilian snout, adorned with ivory horns that bent together to form a heart shape over her head. As her body, now nearly filling the entire lounge, those trapped beneath her breasts were being forced to drink their milky discharge.
The sensation of her colleagues transforming beneath her, their bodies shifting and swelling, was heaven to Lily, even if a part of her brain was guilty about the fact that she was forcing them into a form that could ruin their lives. Eventually her victims managed to squirm out from under her, their forms permanently altered.
First was professor Fran Mavis, who taught history. Her entire body from the waist up was now gone, leaving her a disembodied pair of pale-skinned legs. Her face was now on the front of the melon-sized balls that sat between her legs in place of her pussy, a foot long cock hanging just above. She pushed out from between Lily's rear legs and sprinted out the door in a lust-fueled confusion.
Next was James Robinson, the head custodian. He was now a blue-skinned hermaphrodite with wide hips, a massive ass, and breasts the size of overripe pumpkins. His cock and balls had grown to nearly three times their original size, the only thing stopping him from being able to give himself a blowjob being his beach ball sized stomach. He would have run off like Fran were it not for the near constant stream of eggs, each one a foot in diameter, that poured from his vagina, cockslit, nipples, and even his mouth.
Professor Raphael Wilkins, who taught math, and Professor Arthur Mclaren, who taught business, were the next to come out. Their bodies were now identical, pictures of traditional feminine beauty with hourglass figures, with the only difference being the colour of their waist-length hair, platinum blonde for Raphael and raven black for Arthur. However, the top and bottom halves of both professors were split apart and placed onto the body of the next person to emerge: the groundskeeper Lavinia. She had become a lamia with a ten foot long, green-scaled snake tail in place of legs. The two professors were joined to her in place of arms, with Raphael's upper body replacing her right arms and his legs replacing her left arm while Arthur's upper and lower body were placed just below but with the left and right reversed. As soon as the conjoined trio emerged they were forced to come to terms with their now shared existence.
Finally was Professor Izumi Saitou. The zoology teacher pulled her tauric lower body, its front half a black panther and its back half a nine-tailed fox. As she stretched her new legs for the first time, the four breasts that dominated her upper torso bounced and jiggled, the top pair having eyes and the lower pair having mouths in place of nipples to account for the fact that she no longer had a head. Much like Fran, Izumi bounded off into the halls as soon as she was free, unable to resist the temptation to mutate more people.