Donkey animation joke

The story begins like this:

In ancient Latin America, there was a young and arrogant Crown Prince-Kuzco. He was arrogant and expelled Izma, a witch who assisted his grandfather and father in the Three Dynasties, as soon as he succeeded to the throne. The wicked witch decided to kill the king with poison to vent her hatred. Unexpectedly, the witch's right-hand man, Gao Gang, accidentally mixed deadly poison into the concentrated solution of donkeys and horses, so Kuzco became a donkey on the spot.

After becoming a donkey, the king was abandoned in the wild, and the kind farmer Baxia saved his life. The king ordered the farmer to escort him back to the palace and bring the witch to justice, while the farmer hoped that the king would withdraw his mission of building a palace in Bekaa village before he was willing to escort him back to the palace. Although the king has become a donkey, he still refuses to change his mind. He pretended to agree to the request, but afterwards he was going to turn his back on him. The kind farmer helped the king wholeheartedly. In order to avoid the witch's pursuit, they went through all kinds of hardships. ...