The next day Dan, Ashley, and even Kat, made a discovery as she was showering and started soaping up the two of them. She seemed to take sadistic glee in it, thoroughly soaping them and lavishing attention on them. "Good morning you two, you feel very sensitive today."
Dan tried to ignore it, but she was right. Her hands on him felt amazing, and the sounds that Ashley was making made it clear that she was getting a similar sensation. "Oh God!" said Ashley. "That's... how does that work?"
"What?" Dan asked.
"It feels like... like..."
Dan felt it too. "Oh!"
"What are you guys doing?" Kat said.
"We're-" Ashley screamed.
"-cumming!" Dan finished for her. He suddenly experienced what he could only call a full body orgasm. He trembled and felt him force something out of himself.
Kat moaned and fell to her knees, experiencing what was essentially two orgasms at the same time. As she did bright white lines of milk shot out of both Dan and Ashley. As she did Dan felt her grip on him increase and that seemed to set off another orgasm in him and from Ashley's moans he could tell that it was the same for her. Kat ended up sitting there under the shower for about ten minutes while coming down from that orgasm.
"Well now..." Kat said and licked her lips. "That's a new trick..."
This was a major turning point for them. Now whenever she was alone Kat would rub at Dan and Ashley. The three of them experienced orgasm after orgasm. Kat also apparently grew a taste for their milk as she started collecting and drinking it.
She also transformed other people, though never into body parts again. She turned a girl she thought upstaged her in the looks department into skinny jeans. A man that cut in line in front of her at the grocery store became a bra (Dan was a bit ashamed to admit that he was very comfortable.) One unlucky teacher that gave her a D became a vibrator. Every time she'd get these people in private and expose her breasts to them, just to that Dan and Ashley had to watch them being turned into these things.
Over this time Dan got to know Ashley quite well. The talked about what they missed, what they planned to do if they got free, and even (eventually) what bras they preferred. It wasn't like they could have a relationship as they were, but Dan started feeling quite close to Ashley.
All through it Dan's mother didn't have a single harsh word for Kat. She just didn't care what the girl did as long as she covered her tracks. Apparently for a witch the world was a playground as long as nobody knew.
Months later Kat stood topless in front of a mirror. "I have a special treat for you guys," she said with a smile. Dan couldn't help but notice that she had her wand out.
They went through months of this