Monthly Comic Dengeki Daioh is a Japanese shōnen manga magazine published by ASCII Media Works under the Dengeki brand. Many manga serialized in Dengeki Daioh were later published in tankōbon volumes under ASCII Media Works' Dengeki Comics imprint. The magazine is sold every month on the 27th. A yonkoma section of Dengeki Daioh called Dengeki Yonkoma Daioh (電撃4コマ大王) features various omake strips of the manga series published in it. The format is typically a normal drawing on the right side featuring one or sometimes more characters, and a vertical four panel strip on the left featuring characters from the associated series in super deformed form. Two special editions of the magazine called Dengeki Moeoh and Dengeki Daioh Genesis are sold bimonthly and quarterly, respectively.

Ef: A Fairy Tale of the Two is a Japanese two-part adult visual novel series by Minori for Windows PCs. The first game in the series, Ef: The First Tale, was released on December 22, 2006, and the second game, Ef: The Latter Tale, was released on May 30, 2008. The opening video for the game was animated by Makoto Shinkai, and a majority of the music was produced by Tenmon, who has worked in the past with Shinkai and Minori. Female character design was by Naru Nanao of Da Capo fame, while male character design was by 2C Galore.