Kakuni

Kakuni is a Japanese braised pork dish which literally means "square simmered". Kakuni is a popular regional cuisine (meibutsu) of Kyushu, particularly Nagasaki. This particular dish is most likely originated from the famous Chinese dish Dongpo Pork, making it a form of Japanese Chinese cuisine, although the gravy is less heavy than its origin. During the Ming Dynasty and Song Dynasty, the main Sino-Japanese trading route existed between Hangzhou and Kyūshū. Many Chinese lived in major port cities in Kyushu, such as Nagasaki; likewise many Japanese lived in Hangzhou. Therefore, pork was popularized in major Kyushu cities.[citation needed]

Source: Wikipedia