Give me the long plot of a lesbian novel about a virgin crown princess who inherited from her royal bloodline the magical power to repel monsters out of the kingdom. The court wizard, a jealous and greedy old man, decides to steal the power of the princess to takes her place. To do so, he uses his powers to immobilize the princess before raping her, appropriating her power by taking her virginity. The power of the princess now his own, give him the youngful body of a young lady, ass the princess's pussy is leaking the sperm of the wizard with which it is filled, transforms into a huge cock and an over enormous hanging pair of ballocks. The collar of the princess, symbol of her magic power, ceases to shine around her neck, to shine around the neck of now young wizard heiress when place it around own neck. While the proud and happy wizard heiress returns to the castle and becames officialy the new heiress to the throne, the devasted and hunhappy former princess now a slutty shemale ended into a brothel as a cheap prostitute.