The Japanese marten is a small carnivorous mammal that is found throughout Japan's forests and is known for its agility and speed.

Kumamoto is a city located on the island of Kyushu, and is known for its historic castle and beautiful gardens.

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.