As Katie drank the rest of the milk, she began to transform some more. Her mustache and beard grew more, and her features lost more of their feminine softness. Her chest broadened a little more, and her hands grew more masculine.
"Is... it working?" asked Katie.
"I think it is," replied Tiff. "Your voice sounds more like a guy's. You look like a normal guy instead of a very effeminate one."
"At least being a guy is better than not being either... wait a minute!"
Katie said "My pussy! Oh no, I get it. When I drank the milk again it only increased the changes it made the first time. There was no change to my pussy the first time so that didn't change the second time... Now I look like a guy with a part missing."
"Nobody'll see the difference!" said Tiffany. "If you dress like a guy anyway."