Quickly, Erin swapped out 'watches' for 'transforms'.
In the cafe, Damien had just been ordering a cup of coffee and a sandwich while on his lunch break. Everything was going fine, he was scrolling through articles on his phone and occasionally sparing glances at the hot waitresses at the cafe, until something caught his eye.
He caught something moving in his peripherals. Someone was giving a blowjob to a random guy in the middle of the hallway. Then, his mind registered what was going on, and he nearly spat out his coffee. That wasn't just anyone, that was his girlfriend!
His hands clenched, holding onto the edge of the table with white knuckles. That bitch, he thought to himself. Who the hell does she think I am?
Damien didn't notice as his fingernails began to grow into talons, sharp, ebony daggers that adorned each finger, and dug deep claw marks into the wooden table. His arms popped with new muscle as he clenched tighter and tighter. In the hall, Tina waved goodbye to the stranger, before turning back to gossip with her friends. Damien stood up, gaining height as he did so, and stretching his clothes to their limits. Far surpassing his original height of 6'2, Damien quickly grew past seven feet, then eight, before stopping at an enormous nine feet tall. At that moment, his suit gave way, flying off him as his body swelled.
The patrons of the cafe fled as the enormous, toned beast grew even more muscular, hunching over as he packed on over a ton of muscle. His body was grotesque, absurdly strong to the point of being completely unrecognizable as a human. This was soon compounded by the new pair of arms he soon sprouted, just as thick as the first, with forearms like telephone poles, and biceps like tree trunks.
Damien's roars of rage soon turned to hisses, as his tongue grew long, black, and forked. His pupils turned to slits, his iris a bright gold, and his sclera faded to a dark, blood red. The rest of his facial features began to warp. His chiseled jaw unhinged, showing two sharp fangs, dripping thick, black venom. With a flick of his forked tongue, he licked it away, reveling in the acidic, deadly taste. Damien's nose was next to go, melting away into two small slits, quickly joined by two heat-sensing pits. Finally, his black hair, his pride, began to coalesce and harden into black scales. It flared overhead, shadowing his monstrous reptilian face with a dark cobra's hood. Under it, his eyes glowed as he spat with anger.
The girls, completely unaware of what was happening in the cafe, continued to chat. And, in a very bad move, Tina took out her phone and posted an update. Damien's phone pinged from where it lay discarded on the table. He picked it up. Just caught up with my boyfriend! He's so cute!
The device was crushed to dust in his enormous claws. Baling his fists, he pounded them into the window of the cafe, each of his four arms delivering a rhythm of fast, devastating blows. The glass shattered quickly under his assault, and he stepped out - or rather slithered, as his legs were beginning to fuse - baring his huge, muscular body to the girls that he towered over.
As they turned to face him, Damien bared his fangs in a monstrous version of a grin. His quickly-forming snake lower body wrapped around them, trapping them between the 6-foot thick coils and his mountainous upper body. "Hello, Tina," he hissed. "Happy to catch up with your boyfriend?"
Tina was trembling. "Damien?"
"Oh, you recognize me?" He laughed - a guttural, thunderous noise. "Me, your boyfriend. Not the guy whose cock you publicly sucked."
"Tina didn't do anything wrong!" Sindy interjected.
"Yeah, it's not her fault you got a small dick," agreed Trish. The two nodded emphatically, not noticing how the red glow of Damien's eyes brightened, his cobra hood flaring wide.
"Silence!" he bellowed. Very quickly, the two sidekicks were incapacitated, swamped with the thick, muscular coils of Damien's tail. He constricted around the two, holding them in place as he turned to Tina. He reared up, head brushing the ceiling as he loomed over her. "Do you have anything to say for yourself?"
Tina pulled out the fake tears. "Damien, I'm so sorry, I just was feeling so pent up and horny, and I hadn't seen you in sooo long... I don't wanna hurt you, baby, I love you! Will you please forgive me?"
Using two of his arms, he grabbed her and brought her close to his face. His tongue flicked out as his reptilian gaze bored into her. "Do you know something, Tina?" he hissed. "I can taste the lies coming off you. So, one last chance. Be honest with me, or I'll have to punish you..."
Tina cracked. "Okay, fine! You don't satisfy me, so I have a fuck buddy who can. Is that so wrong?"
Damien chuckled. Down below, he began to tease his two cocks out of their scaly sheaths, using his two lower hands to stroke the barbed rods to their full 1'6 lengths. He gave Tina a dark look. "I don't think you quite understand. You belong to me. Do you hear me? You are mine!"
Erin had to stifle her laugh. Oh, this was even better than she imagined! Watching Damien become the monster he deserved to be, and watching Tina get put in her place, was all so much fun. She giggled in delight as she generated another sentence.
Damien the snake monster strokes his two cocks while he confronts Tina.
But, unbeknownst to her, Damien had heard Erin's giggles and turned his gaze to focus on the girl sitting on the bench, the only person in the mall who hadn't run away from his monstrous appearance. He slithered over, keeping Trish, Sindy, and Tina in tow. He towered over her.
"Hello, Erin. Do you find something funny?" He spared a hand to tilt her chin up. It was slick with precum. "Perhaps you wish to join Tina?"
Erin was panicking. She could only do one thing to save herself - use her app.