There was once a wife and husband who lived happily together. One day, they wanted something more than each other, something to take care of. Sadly, they weren't able to reproduce or find the perfect pet.
One day, the wife found a witch in a shop she thought sold knock-off magic items. The witch led her to a secret room filled with real magical items. She gave the woman a piece of paper with one spell on it. This spell allowed anyone who chants it to change an object into their desire, but it only effects the item physically. Changing any human will allow them to keep their memory.
As the woman practiced with the witch till she got the spelling right, she told her husband all about it. He was doubtful at first until she gave him a body both of them will be satisfied with. She told him her plan for kidnapping and changing someone for their own sake.
After searching, they found a man. No wife, family, or friends to notice his disappearance. They planned out their kidnapping and waited. Sook enough, this man will be their