Ginga Eiyuu Densetsu Gaiden: Ougon no Tsubasa

Set against a backdrop of prolonged interstellar conflict between the Galactic Empire and the Free Planets Alliance, this story explores themes of loyalty, ambition, and social disparity. The narrative centers on the evolving relationship between Siegfried Kircheis and Reinhard von Müsel, beginning with a close friendship fractured by imperial power dynamics. When Reinhard's sister is offered as a concubine to the Kaiser, their bond is tested as they navigate the rigid hierarchy of the Empire.

Years later, a determined Reinhard returns seeking to dismantle the system that threatens his sister’s fate. Kircheis joins him, driven by a desire for personal connection and a commitment to their shared past. The series depicts their journey through the ranks of the Imperial military, highlighting the challenges they face in pursuing justice within a vast and unforgiving empire. Expect a character-driven narrative focused on political maneuvering and personal sacrifice.