The Black and White Impermanence was a concept of Yin and Yang. The Black and White Impermanence represented the opposition of Yin and Yang. Black represented the Yin and White represented the Yang. They symbolized severity and punishment as well as kindness and justice. Their name "Wuchang" implied the impermanence of life and death. Everything in the world was constantly changing. The image and legend of the Black and White Impermanence implied the impermanence and uncertainty of life, the fairness of good and evil retribution, and the enlightenment of life wisdom. People often thought about the true meaning of life and death through the image of the Black and White Impermanence, reminding people to cherish life and pursue good deeds. In general, the meaning of the Black and White Impermanence involved the opposition of Yin and Yang, the uncertainty of life and death, the fairness of good and evil retribution, and the wisdom of life.

The Black and White Impermanence symbolized the concept of Yin and Yang. Black represented Yin, the evil side, while white represented Yang, the good side. Black Impermanence and White Impermanence symbolized severity and punishment, kindness and justice respectively. Their name "Wuchang" implied the impermanence of life and death. Everything in the world was constantly changing. The image and duty of the Black and White Impermanences made the folk beliefs have a more intuitive understanding of life and death, good and evil.
The relationship between the White Impermanence and the Black Impermanence was different in different versions. Some said that they were brothers, some said that they were friends, and some said that they were lovers. However, there was no clear answer to confirm their relationship.
The Black Impermanence and White Impermanence looked like they were ferocious, fat, short, and had a face like charcoal. They wore a black hat and black clothes, and their skin was dark green. White Impermanence often smiled. He was tall and thin, with a pale face and a long tongue. He wore a tall white hat and white clothes.
The Black Impermanence and the White Impermanence had different descriptions in traditional culture. We can see that Black Impermanence's appearance is usually dark and green, wearing black clothes and a black hat. He is short and has a fierce face. White Impermanence was dressed in white. His face was pale, and he was smiling. He wore a tall white hat with the words " Wealth in Life " written on it. However, because the search results did not provide a specific picture of the person, they could not provide an accurate picture description.
White Impermanence's original name was Xie Bi 'an, while Black Impermanence's original name was Fan Wujiu.
The White Impermanence and the Black Impermanence were a pair of gods in the traditional culture of the Han people, and they were also the most famous ghost officers. They were the Soulbringers, responsible for capturing ghosts and helping to reward good and punish evil. The White Impermanence was called Xie Bi 'an. He was tall and thin, and his face was pale. The Black Impermanence was called Fan Wujiu. He had a fierce face, a broad body, and a small black face. They were handcuffed and shackled, and often worked under Hades, Shing Wong, Emperor East Peak, and other underworld gods. Therefore, White Impermanence and Black Impermanence could be called ghosts.
Black Impermanence and White Impermanence were the characters in the novel " Painting of the Bad People of Jianghu ". They were siblings. According to the information provided, there was no mention of the Black Impermanence kissing the White Impermanence. Therefore, I don't know if Black Impermanence kissed White Impermanence.