"Sonny-San" is a cult novel by the Japanese-American writer Onoto Watanna, which reflects the complexity of cultural mutual understanding. The main character, a Japanese woman named Sonny-San, finds herself in American society in the middle of the 19th century. The feeling of lost roots, the desire to take root in another culture, the search for self-expression - all this is highlighted in her storyline. The novel "Sonny-San" allows the reader to immerse himself in the atmosphere of the era, feel the spirit of two different worlds and ask himself the question of the true value of cultural traditions.