Ginga Sengoku Gun'yūden Rai

Ginga Sengoku Gun Yuuden Rai (銀河戦国群雄伝ライ, Ginga Sengoku Gun'yūden Rai, "Galaxy Warring State Chronicle Rai") is a manga series written and illustrated by Johji Manabe. It was first serialized in Kadokawa Shoten's Comic Comp Magazine beginning November 1989 up to January 1993. The series transferred publication to MediaWorks's Dengeki Comic Gao! Magazine from February 1993 to November 2001. The series focuses on Rai Ryuga, a young courageous warrior who seeks to unify the cosmos in a war against other two powerful forces. The series borrows heavily from events of the Sengoku period and events from the Chinese novel Romance of the Three Kingdoms.

An anime adaptation of the series aired on TV Tokyo from April 8, 1994, to March 31, 1995. It was known outside Japan as Thunder Jet: Raiders of the Galaxy Empire.

Plot
After the collapse of the Sacred Galaxy Empire, a battle for control of the Milky Way Galaxy breaks out among the warlords. From the chaos emerges a young courageous warrior, Rai Ryuga. A fearless warrior to his foes but to others, he is a gentle soul, dependable and loyal. Two powerful forces aspire to reign over the entire Empire: Hiki Danjo, ruler of the Northern Region of the Milky Way, and Lord Masamune, ruler of the Southern Region. Rai sees the ensuing battle and ponders the ultimate goal: to battle against other factions in order to reunify the Milky Way under one ruler and that one day he will bring peace to the galaxy.