Tokyo is Japan's largest city and the world's most populous metropolitan area, with over 37 million people.

Fullmetal Alchemist, created by Hiromu Arakawa in 2001, is a popular manga and anime series that explores themes of science, magic, and the consequences of human ambition.

The Showa period, which lasted from 1926 to 1989, was marked by Japan's militarism and involvement in World War II.