Manga
Written and illustrated by Maki Murakami, the manga was serialized in Gentosha's Kimi to Boku magazine between 1996 and 2002.[6] Initially, a total of eleven volumes were released by Sony Magazines between March 7, 1996, and December 25, 2000.[7][8] Gentosha started to republish the series on April 24, 2002, concluding with the twelfth on August 24, 2002.[9][10] A "Special Edition" (スペシャル版) was released by Gentosha between April 25 and September 22, 2006.[11][12]
Tokyopop licensed the series for an English-language release in North America and published the twelve volumes from August 5, 2003 to July 12, 2005.[13][14] Tokyopop also released the series in six compilation volumes in 2009–10.[15][16] Madman Entertainment distributes the series in New Zealand and Australia.[17] Seven Seas Entertainment licensed the series in October 2023 and released omnibus volumes of the series.[18]
A sequel to the series, Gravitation EX., started to be serialized in Japanese and English[19] in the online magazine Web Comic Genzo.[20] The first volume was published simultaneously by Gentosha and Tokyopop on February 24, 2007.[21] Madman Entertainment also distributed the series in New Zealand and Australia.[22] In the March 2009 issue, Murakami put the series on hiatus;[23] Murakami resumed the series on June 28, 2011, in Gentosha's online magazine Web Spica.[24] The second volume was published on November 24, 2011.[25]
On May 28, 2014, Murakami published a one-shot based on Gravitation, titled Shindo Family Circumstances (新堂家の事情),[26] which was followed by a series of the same name on July 28 in Web Spica.[27]
Anime
OVA
A two-part OVA adaptation was created by Plum, Animate Film, SPE Visual Works, Sony Magazines, and Movic. The first episode was released on July 23, 1999, and the second was released on September 22, 1999. It used the opening theme "Blind Game Again" and the ending theme "Smashing Blue" with the lyrics, composition, and arrangement done by Mad Soldiers and sung By Kinya Kotani. There are three insert songs, Part 1 had one called "Spicy Marmalade", with the lyrics, composition, and arrangement done by Mad Soldiers and sung by Kinya Kotani. Part 2 had two, the first one "In the Moonlight" with the lyrics, composition, and arrangement done by Mad Soldiers and sung By Kinya Kotani and the second "Shining Collection" with the lyrics, composition, and arrangement and sung by Iceman. The series was released in North America on DVD by Nozomi Entertainment in 2005 under the name Gravitation: Lyrics of Love.
OVA
A two-part OVA adaptation was created by Plum, Animate Film, SPE Visual Works, Sony Magazines, and Movic. The first episode was released on July 23, 1999, and the second was released on September 22, 1999. It used the opening theme "Blind Game Again" and the ending theme "Smashing Blue" with the lyrics, composition, and arrangement done by Mad Soldiers and sung By Kinya Kotani. There are three insert songs, Part 1 had one called "Spicy Marmalade", with the lyrics, composition, and arrangement done by Mad Soldiers and sung by Kinya Kotani. Part 2 had two, the first one "In the Moonlight" with the lyrics, composition, and arrangement done by Mad Soldiers and sung By Kinya Kotani and the second "Shining Collection" with the lyrics, composition, and arrangement and sung by Iceman. The series was released in North America on DVD by Nozomi Entertainment in 2005 under the name Gravitation: Lyrics of Love.
TV series
An anime television series adaptation was produced by Studio Deen, SME Visual Works, and Sony Magazines and directed by Bob Shirohata. The opening and closing themes to the TV series are "Super Drive'" and "Glaring Dream", performed respectively by Yosuke Sakanoue and Kinya Kotani.[28] The series was released in North America on DVD by Nozomi Entertainment in 2004.
Drama CDs
Eight audio dramas were produced for Gravitation, featuring most of the voice actors of the TV and OVA series. Five retell events from the manga series, while the remaining three cover new story material. The drama CDs also contain musical tracks performed by Japanese voice actors.
Other books
There are two novels based on Gravitation. The first one, released on November 30, 2000, follows the storyline for the OVAs. A second novel of Gravitation called Gravitation the Novel - voice the temptation (小説グラビテーション voice the temptation) was written by Jun Lennon and released on September 30, 2002; it follows Shuichi as he goes on a chase throughout Japan to find the kidnapped Yuki.[29] Both were published in North America by Tokyopop. The first was published on March 7, 2006, and the second was published on July 11, 2006, under the name Gravitation: voice of temptation.[30][31] Both the novels were remade into a edition and published on February 24, 2007.[32][33]
Two "Complete Walkthrough Fan Book" (完全攻略ファンブック) were released by Sony Magazines: the first was published on March 2, 1998,[34]
