Neon Genesis Evangelion, created by Hideaki Anno in 1995, is a popular anime series that explores themes of psychology, philosophy, and spirituality, and has become a cult classic.

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

The robotic pet, such as Sony's Aibo, has become a popular form of entertainment and companionship for people who cannot keep real pets.