is a six-volume manga series written and illustrated by Yuuichi Hasegawa based on notes and information by Yoshiyuki Tomino, serialized in Kadokawa Shoten's Shōnen Ace magazine from December 1994 to March 1997 issues. A sequel to the animated theatrical film Mobile Suit Gundam F91, Crossbone has been officially distributed only in Japan and Italy. Numerous sequels written and illustrated by Yuichi Hasegawa without Tomino's involvement have been published in Gundam Ace. Plot In Universal Century (UC) 0133, ten years after the events of F91, Crossbone Vanguard forces attack a transport ship called the Smashion as it heads to the space colonies run by the Jupiter Empire. Tobia Arronax, a 13-year-old boy aboard the ship, flies out in a Batara mobile suit to fight the Crossbone Vanguard, who have long been derided as space pirates. Unfortunately, he is captured by Crossbone Vanguard ace pilot Seabook Arno, who now goes by the name Kincade Nau and brought before their leader, Berah Ronah, who offers him to join the Vanguard or go to Jupiter and forget the attack. Tobia decides to be with the Vanguard, who reveal to him that the Jupiter Empire has spent several years building up its military strength to destroy the Earth Federation, with whom it has a partnership. Now armed with this information, Tobia is trained in mobile suit piloting by Kincaid and to discover his own Newtype abilities. He flies into action as pilot of the XM-X3 Crossbone Gundam X-3 mobile suit. Characters : The series' main protagonist, Tobia is a young student from Earth sent to live in the Jupiter Empire colonies. As soon as he arrives on Jupiter, he becomes wrapped up in the Jupiter War after the new Crossbone Vanguard attacks his ship, causing him to hijack a Bataras mobile suit before encountering Kincaide Nau in the Crossbone X-1. The truth becomes harder to swallow after Tobia learns that his teacher, Prof. Karas, is a Jupiter Empire agent. Determined to end the war, Tobia is often short-tempered, letting his emotions get the best of him in battle, while Kincaide continues to help him. As Tobia joins the Crossbone Vanguard, he gets behind the controls of the Crossbone Gundam X-3. / Seabook Arno: The Gundam F91's former pilot and Tobia's mentor, Seabook was presumed dead in the wake of a terrorist attack on a Crossbone Vanguard ship five years after the events of F91. By