Japan invaded Manchuria in 1931, which marked the beginning of its aggressive expansion in Asia prior to World War II.

Yokohama is Japan's second-largest city and a major port city located south of Tokyo, with a population of over 3.7 million people.

Ghost in the Shell, created by Masamune Shirow in 1989, is a popular anime and manga series that explores themes of cybernetics, artificial intelligence, and the nature of humanity.