Voiceful is a Japanese yuri manga by Nawoko. The first chapter was serialized in the manga magazine Yuri Shimai under the title Voice, and the next three chapters were serialized in Comic Yuri Hime under the title Voiceful. The bound volume, released in Japan on May 18, 2006, was also published under the new title. Two shorts stories are included in the collected volume; "Someone Special", which originally appeared in the second issue of Yuri Shimai, and "Opening", which originally appeared in the first issue of Yuri Shimai. Seven Seas Entertainment has licensed Voiceful for release in North America, and the English version was released in January 2008.