Legend of the Galactic Heroes Gaiden

Sub-lieutenant Yang is reminiscing about the past. As the battle between the Free Planets Alliance and the Galactic Empire intensifies, he's put in a difficult position.

Yang Wen-li skyrockets to fame and gets a promotion to Lieutenant for his bravery in the civilian evacuation.

Yang Wen-li digs deeper into his investigation and begins his review of the history of the Year 730 Mafia.

Yang Wen-li reminisces about his days in the Free Planets Alliance Officer Academy. Meanwhile, he continues to look into the circumstances surrounding Bruce Ashbey's death.

In the Second Battle of Tiamat, we see the Alliance Fleet under the overall command of Admiral Bruce Ashbey and the famed year 730 Mafia.

In continuation, the Alliance Fleet and Imperial Fleet engages each other again. Bruce Ashbey exploits in the battle seem to be his undoing.

Yang Wen-li attends the funeral. Meanwhile, he discusses the Year 730 Mafia with someone of the attendees. He later finds out he has been reassigned.

After his reassignment to the planet Econia in the Thanatos Starzone, a prisoner of war camp, Yang Wen-li meets some veterans of the Second Battle of Tiamat.

A prisoner takes some Free Alliance officers hostage. Yeng Wen-li is ordered to turn himself in to the prisoner for the safe return of the hostages.

Yang Wen-li starts to uncover more about the camp. Captain Barnaby Costea fears this and begins a cleansing of the rebelling prisoners, hoping to kill him in the crossfire.

Mruai is sent down to assess the situation in the Ecoia Internment Camp. Captain Barnaby Costea is later found guilty and is imprisoned.

Yang Wen-li transfers out of Econia alongside Fyodor Patrichev. Yang Wen-li is told another story about the Second Battle of Tiamat and sparks his interest.

After Christopf von Köfenhiller untimely death, Yang Wen-li and Fyodor Patrichev arrange the funeral and bid their farewells. Yang Wen-li continues his investigation.

Yang Wen-li investigation finally comes to an end when he presents his information on the alleged murder of Free Planets Alliance war hero Bruce Ashbey.

After graduation from military preparatory school, Reinhard von Müsel and Siegfried Kircheis are both posted to the planet Kapche-Lanka as their first assignment.

Reinhard von Müsel and Siegfried Kircheis are dispatched to do a survey deep into the planet Kapche-Lanka all by themselves.

After a successful ambush, Reinhard von Müsel and Siegfried Kircheis find out information about an upcoming Alliance surprise attack on the base.

Reinhard von Müsel, acting oblivious to Herder's attempts to murder him, tells him to attack the Free Alliance outpost as a counterattack.

After their transfer out Kapche-Lanka, Reinhard von Müsel and Siegfried Kircheis are assigned to the destroyer Hameln II.

Hameln II is ambushed and struck first by an Alliance squadron. The resulting damage injured the captain. Reinhard von Müsel gains command.

Lieutenant Bertram plans to self-destruct the destroyer Hameln II and die honorably. Reinhard von Müsel and Siegfried Kircheis have other plans.

Both Reinhard von Müsel and Siegfried Kircheis proceed to with the plan and Lieutenant Bertram volunteers on a risky mission.

Reinhard von Müsel and Siegfried Kircheis are assigned to the Investigation Department of the Imperial Ministry of Military Affairs in Odin.

News of Reinhard participating in the dual spreads through high society. Meanwhile, an assassin is given the perfect opportunity.