Tiff was becoming desperate. She couldn't believe that Katie was gone. She had control over the penis that was Katie's body, but couldn't fell that Katie's mind was there.
In desperation, Tiff rummaged through the vials for one that could separate them, however, not being used to have a penis swinging between her legs she got an erection.
Tiff tried to ignore it, but this was disrupting her concentration, so she decided to take care of it first. Has she stroked Katie, she began to understand why boys sometimes think with their dicks. She really enjoyed the sensation until she finally came.
Tiff was surprised with the amount of cum that came out, it formed a large puddle of cum on the floor.
With Katie now limp between her legs Tiff was about to continue to look through the vials when she noticed that something weird was happening.
The puddle of cum was moving by itself and gaining some form. Tiff stood completely still as she watched the puddle of cum take on a humanoid form.
"Tiff, what is going on here?" the cum creature asked. Tiff immediately recognized Katie's voice. Katie was back as a cumgirl.
"I think tou are a cumgirl now Katie" said Tiff
"No way! Things are going completelly wrong. There is no way we can go back like this." Katie said
"There has to be a way. Let's look through the vials, I'm sure we'll..." Tiff stopped talking when she heard voices of people discussing approaching