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.

Sendai is the largest city in Japan's Tohoku region, located in northeastern Japan, and is known for its cultural festivals and cuisine.

The computer mouse, invented by Ken Kutaragi in the 1980s, has become a standard input device for personal computers worldwide.