As the changes started for Sage, Justin in the small barn bathroom was having changes of his own. As he waited for Sage to add to his compost bin, he let out a burp, feeling a little queasy himself. Suddenly he got really hungry, hungrier than he had been in quite a while. He began to sweat and feel claustrophobic, as if the walls were closing in on him, but little did he know they kinda were. By the time he had heard Sage shriek, he had gained 30 lbs, but he didn't quite notice yet. He quickly opened the bathroom door and went to Sage, his belly bouncing as he ran.
As for Sage, the black fur had spread over her entire ass and halfway up her back. She caught a quick glance in the mirror and saw her hair had turned completely black like her butt. Her eyes widened in horror again as she looked at Justin, he had now gained another 20 lbs, he was now sitting at a solid 270. She groaned as the base of her spine felt like it was on fire as it began to grow outwards. She stared as a tail began to slowly sprout from her rear, eventually reaching the floor and then some.
Justin sat down on the floor in disbelief and let out another belch. As he looked down he screamed, seeing his clothes get tighter and tighter. 270lbs, 280, 290, 300; his shirt burst down the front and his stomach flopped out. He gained another 10lbs and his pants button flew right off, hitting Sage in the ass. Her fur had reached her knees and stomach as a new pain ripped through her groin. She looked down as her pants began to get more tight and a noticable bulge appeared in front. She thought for a second and pulled down her pants and stared at the swelling in her crotch. Her pussy had closed up and started to fill out, her labia now round and almost ballsack-like. She groaned again as a new pain wave hit, the swelling in front began to elongate and her new balls began to grow in size. She could see that it looked a little like a cock, but she couldn't quite tell.
Justin sat and watched as he was now a whopping 350lbs. His clothes were tattered around him and he could no longer see his cock under his massive stomach. He began to gain again, his man tits swelling to an impressive size and pseudo femininity. Sage grunted as her balls began to darken and she finally recognized what the growth was: a horse sheath.