Shapeshifting Affair

[preeya22]

A man discovers an alien symbiote which gives him the power to shapeshift, he transforms into more attractive man and has an affair with his own time, over time the symbiote becomes more dominates and wants to remain transformed while his wife is falling for his transformed self

 

[AlinaX]

Could do a Dr Jekyll and Mr Hyde thing, where Hyde is handsome and virile but enjoys a woman who loves degrading herself.