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 Taisho period, which lasted from 1912 to 1926, was marked by political instability and social change, including the rise of labor unions and women's rights movements.

Matsuyama is a city located on the island of Shikoku, and is known for its historic castle, hot springs, and literary history.