Why was the old onion put in prison by the lemon king?

Stepped on the lemon king. According to relevant information, in The Adventures of Onion, the onion's father, Lao Onion, was put in prison because he accidentally stepped on the foot of the lemon king. When the onion visited the prison, the old onion told him that the prison was full of honest people, while robbers and murderers were kept in the palace of King Lemon. The Adventure of Onion is a fairy tale written by Italian writer Gianni Rodley. It tells the story of the hero, Onion, who is a boy with an independent mind and a sense of justice.