Sword Art Online, created by Reki Kawahara in 2009, is a popular anime and light novel series that takes place in a virtual reality MMORPG world.

The oil crisis of the 1970s had a major impact on Japan's economy, leading to increased focus on energy conservation and alternative sources of energy.

One Piece, created by Eiichiro Oda in 1997, is a popular manga and anime series that follows the adventures of a group of pirates as they search for the ultimate treasure.