 The characters refers to European medieval tales and Greek mythology, such as oral versions of "Little Red Riding Hood" and the three-headed watchdog of Hell Cerberus.On February 25, 2003, the DVD edition was made available in Japan as part of the "Mamoru Oshii Cinema Trilogy" anthology box set, which contained four DVDs and one soundtrack CD.On November 4 of the same year, a subtitled version of "Akai megane" was released in North America as both a single DVD and also as part of a US release of the box set.