A light novel series was originally adapted from the anime's premise set by Tomorō Yuzawa, featuring story composition and illustrations by Ryō Amamiya and Poko, respectively.

The show has two hosts — Kana Ueda and Masumi Asano who play Fumika and Chiaki in the anime respectively — and is produced by Bandai Visual.

[5] Animated by J.C.Staff and produced by Bandai Visual and Genco,[5] it first aired in Japan on numerous UHF stations and BS11 between January 6 and March 22, 2008,[3] containing twelve episodes.

Presented on a 16:9 anamorphic frame rate, the DVDs feature the two episodes each along with numerous extras, including audio commentary, liner notes, picture dramas, and Shigofumi letter sets.

The televised broadcast of episodes three and eight, "Friends" and "Beginning," respectively, were "altered in light of recent circumstances in the society at large," as reported on the anime's official website.

[12][15] Other recent 2007 anime series which were changed due to current events in Japan include School Days, Higurashi no Naku Koro ni Kai, and Kodomo no Jikan.

The opening theme, "Kotodama" (コトダマ, "Power of Language"), is performed by Ali Project, and the single was released on January 23, 2008.

Written by Saori Kodama with composition and arrangement by Pe-jun, the ending theme "Chain" is performed by Snow*; it was released on February 6, 2008.