Olivia returned to the house and her boyfriend in their room. He looked so peaceful and she climbed on top of him, waking him as she did so. He smiled as he saw her and raised himself up slightly. "I know that look, you've got something planned." he said with a grin. "I've always been curious..." she said with a smile, "how the other half live." she finished. To Matt's horror a growth began on her lower body and protruded out. Her frame became quite muscular and Matt feared for what was to happen next. His body mass began to drop and his skin softened. He felt his penis shrink and eventually retract into his body. The slit formed and he felt his insides turn to accommodate the new opening. His hips widened and chest began to inflate. It was fortunate that he had not been wearing any clothes because the drastic changes he doubted would have been accommodated by the standard sizes. His hair grew longer and he felt his facial features soften. His ass grew softer and his change completed. Now completely feminine he crawled up the bed to escape the new Olivia who had her eyes fixed firmly on her new target.
With a quick grab and a scream Matt felt the throbbing of Olivia inside him. The shock was overwhelming and his breast began to bounce in the same time to the pounding of his former girlfriend. Olivia was loving every moment of it, feeling the helplessness of Matt under her as he was penetrated. He instinctively grabbed hold of her body and Matt wrapped his legs around Olivia's waist. He couldn't help it. He arched his back and let out girly squeals of ecstasy as Olivia's motion continued. The ecstasy was too much for Matt to bear and he tightened his pussy around Olivia's member. It was instinct. Not long later he could feel the build up and Olivia could too. A few more desperate breathes and they both let out a squeal. Matt felt a rush of liquid inside him as Olivia pumped an unusually large amount into her. It sloshed and dripped as Olivia separated and looked down on her boyfriend, breasts gleaming with sweat and pussy dripping with the evidence of his new found ecstasy.
Olivia laughed and returned her body to normal whilst Matt lay in bed in his new found femininity. This latest game of hers was going to be fun.