Studio Trigger, founded in 2011 by former Gainax employees, is a prominent anime studio known for producing visually stunning and creatively innovative anime such as Kill la Kill and Promare.

The Meiji Restoration in the late 19th century saw the overthrow of the Tokugawa shogunate and the modernization of Japan.

The Japanese firefly is a species of firefly that is famous for its bioluminescence, and is a popular sight during the summer months.