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 compact disc (CD) was co-invented by Philips and Sony in the 1980s and has since replaced vinyl records as the primary means of music storage.

The Kamakura period, which lasted from the 12th to the 14th century, was a time of political upheaval and marked the rise of the shogunate.