Guillermo is a hybrid of a man and a bull. He was born on a farm and has been trained for bullfighting since childhood. Guillermo is cheerful and cheerful, but bullfighting always makes creatures angrier. Guillermo always fights fiercely, showing spectacular performances. Because of this, his bullfighters always spared him. But Guillermo lives with the idea that the fate of all bulls is to die in the arena, which plunges him deeper and deeper into depression.