Pretty sure I've written this before, but shapeshifters being forced into body modding
>Shapeshifters are captured and used for all manner of wicked things
>Including cock transformation
>They transform through their will, but must retain their minds so as not to cease being
>Thus their will needs to be broken for them to be controlled
>They are drugged and hypnotised
>From there they will be fucked and told they are nothing by a cock
>Conditioned to respond to a vibrating collar around their neck
>They are shown the anatomy of a cock to the specifics of their soon to be host
>Eventually they will break
>Once they succumb to the notion, losing themselves in the pleasure, their body does the rest
>Bones melt away and muscles become soft
>Organs repurpose themselves as sexual anatomy
>Their body merges into the host
>When at last they have become the desired shape, their collar is deactivated
>This sends the signal to the shapeshifter's brain, still present at this point
>The signal that they are complete
>Then the brain itself will wither away
>If they are lucky, it may persist as a vestigial nerve cluster
>Having lost their memory of the conditioning of the collar before their mind was completely wiped away
>Though their consciousness will be minor
>They'll have forgotten what they once were, not knowing that if their will was strong enough they could return to it
>From their reduced point of view they are a cock, always were a cock, and always will be a cock
>Why would they try to change?
>The life of a cock is simple and full of pleasure