...A pair of panties, Valerie felt a jerk, and she was wearing the same black lingerine again. Then she took them off, and watched in horror as her sister de-morphed from the panties. Soon her naked sister was standing right there in front of her. Then Valerie thought, I kinda liked those panties, and I don't have any now...
"Jenny, turn into the pair of panties again!" Jenifer's face looked shocked, and she opened her mouth to say something, but she was already changing into the panties...
Then Val heard a scream in her mind...