feotakahari

The prince kills the dragon and marries the princess.

The prince kisses the dragon, and she turns into a princess.

The dragon kills that which is evil and hateful in himself, and he turns into a prince.

The dragon turns into a princess. Not to be outdone, the original princess turns into a dragon and abducts her.

The prince turns into a dragon and marries the other dragon.

The princess turns into a dragon and marries the other dragon.

The princess turns into a prince and kills the dragon.

(If anyone knows of a story where the prince turns into a princess, I'd love to hear it.)

Prince and dragon are restrictive binaries. To be truly free, the prince and the dragon both transform into something that’s neither.

Who cares about binaries? The prince loves his scaly, fire-breathing bride as she is.

The dragon seduces and devours the foolish prince.

No prince ever comes, so the dragon eats the princess. (This one garners the angriest reader responses.)

The prince is the true villain, and the dragon protects the princess.

The princess is a selfish twit, and after saving her, the prince realizes he never wanted her in the first place.

And the one I've never seen, but desire most of all: prince x princess x dragon OT3.

(Sources available upon request. To be honest, most of them are pornographic.)