(author's note: I couldn't figure out what to have them say at the end, my apologies.)
Three months ago:
Not too far off from the McHenry estate, a woman was walking a trail. Jenny Wordsworth was an experienced hiker. She had gone on many wooded trails around the town of Ivory. On her most recent outing, she discovered an abandoned trail around the McHenry manor. Feeling a challenge, Jenny walked past a rotten old sign and continued.
Little did she know that wildflowers had grown around this path. Since McHenry had invented them to change reality itself not many had noticed the strange flowers. Jenny might not have even realized their existence if she hadn't encountered a fallen log. It looked small and rotten so she used her foot to break it. However, when it did break it hit the flowers surrounding her and stirred up a lot of pollen. Jenny coughed as it entered her lungs. Feeling uneasy she left back the way she came. She didn't know if those flowers were dangerous or not. Running back to the road she got in her car and drove. She was completely unaware of what happened until the next full moon.
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Present-day:
Zach had driven to his girlfriend's apartment. Tonight, he would reveal to her what he was. Before, he was terrified for anyone but his family to learn he was a werewolf, but after almost being trapped in that mansion forever, he decided tonight was when he replied to her the truth. Jenny opened the door and greeted him. The two of them then ate dinner. After they finished eating, they spoke in unison, "There is something I need to...". both were shocked at this before Zach went first. He told her how he didn't want to admit what happened to him under moonlight but he explained the crazy night he went to the McHenry estate.
When he mentioned that name Jenny paled, he did ask her what was wrong but she said she would tell him after he was done. However, she was extremely shocked when he stood up and removed his clothing. Now that he was down to his underwear his body began to change. In a matter of moments, he was in his werewolf form. "I hope you're okay with this," he said before reaching into his bag. he had planned and brought a piece of cloth in case she was uneasy with his manhood. "well only if you're okay with mine," she said.
She then told her own story about her encounter outside the estate Zach had been in as she undressed until she was in her undergarments, she explained how three months ago she was walking an abandoned path when those crazy flowers expelled their polled around her. "at first I thought I was sick. However, after a visit to the doctor, they told me I had an allergic reaction. It wasn't until a month later I found out what that pollen did to me" she said as she began to change herself as the sun set and the moon rose. Unlike Zach's transformation, hers seemed to hurt a little. What neither of them knew was that P.R.I.M. had altered reality so his transformations were painless, however, Jenny's exposure was outside P.R.I.M.'s radius.
Zach watched as his girlfriend's body changed more. Her ears became pointed as her nails on all four limbs sharpened into claws. Her face got flushed as her muscles started to grow. Zach noticed Jenny's feet begin to morph into paws. Blonde fur began to coat her body, more at her legs for the moment. He could see her height begin to grow as well. By now her teeth began to sharpen into fangs as her nose became more canine. The blond fur began to cover the sides of her face. Her legs were now completely covered in fur. Zach had realized she was becoming a werewolf like him but didn't know how much like him.
Zach suddenly smelt a scent from her crotch. Her female hormones began shifting as a furry sheath surrounded her clit. A bulge formed under her panties before growing. It made the fabric taunt before a familiar-shaped object began pushing it to its limits. Soon a pointed head broke through the top of her underwear as two orbs pushed the rest to its breaking point. As the last remnants of her panties broke Jenny's cock exited out of its sheath. Its canine knot now prevented it from going back until he calmed down. His new testicles broke the last bit of cloth and hung between his legs unhindered. Zach could see it throbbing as Jenny insisted mentally he was still a woman. With her new testicles pumping testosterone through his body began finishing its transformation.
Jenny's tailbone extended as his torsos widened. This caused several muscle spasms sending Jenny to the floor. He insisted he was fine as his body continued to grow. His tail had pushed out fully as his hourglass figure filled out. His breasts finished shrinking away as his muzzle grew in. As he stood up his torso finished becoming muscular. Once he rose to his full height both of them were at eye level at seven feet.
Zach took his girlfriend's male werewolf form in. Zach was a bit more muscular than him and had larger balls too. However, Jenny had a larger cock at fifteen inches and thick fluffy neck fur. Eventually, Jenny was able to get his cock under control and the two began to talk. He learned that Jenny's worst fear was he would break up with him, sorry her. She still preferred her female pronouns. However, Zach still loved her. Since he was straight they decided they could be werewolves during the full moons of the year and boyfriend and girlfriend the rest of the year. However, their plans may hit a snag as just outside of town the wildflowers were spreading out toward their tiny town.