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First Battle of Alnus Hill

Battle of Ginza
Battle of ginza 1
Conflict

Japanese-Empire War

Date

20xx

Place

Ginza District, Tokyo, Japan

Outcome

Decisive Japanese victory

  • Imperial Army is forced to retreat back to Alnus Hill beyond the Gate
  • Multiple Imperial nobles and generals are captured as POWs
  • Majority of captured demi-human troops are brought to the US to be dissected for study.
  • Japanese-Empire War begins
Combatants

Empire's flag - new 1 Imperial Army

Commanders
  • Flag of Japan.svg 1st Division JSDF Commander [Unknown]
  • Flag of Japan.svg Yōji Itami
  • Flag of Japan.svg Tokyo Chief of Police (assumed)
  • Empire's flag - new 1 Unknown Imperial general (KIA or POW)
  • Empire's flag - new 1 Viscount Herm Fule Maio (POW)
  • Empire's flag - new 1 Sir Mudra (POW)
  • Empire's flag - new 1 Marquis Calasta (POW)
  • Empire's flag - new 1 Heads of Count Roen and Missna (KIA)
  • Empire's flag - new 1 Colt Formal (KIA)
  • Empire's flag - new 1 Other imperial nobles and military officers (KIA or POW)
Strength
  • Several divisions of police officers and tactical/riot teams
  • 1st Infantry Regiment
  • 1 Asagiri-class destroyer
  • Large military force, assumed to be over 100,000 legionaries and auxiliaries
Casualties
  • Several police officers injured
  • Roughly 60,000 dead
  • Roughly 6,000 POW
  • Heads of Count Roen and Missna
  • Colt Formal
Civilian casualties
  • Over 50 Civillians Killed
  • Over 100 Civillians Missing or Captured
"The battle that marks the downfall of the Empire" — The depiction of the battle.

The Battle of Ginza, also known as "The Ginza Incident"(銀座の戦い また知っている 銀座事件は、Ginza no Tatakai Mata shitte iru Ginza jiken wa,) was a battle which occurred in the Ginza shopping district in Tokyo where the population of Japan faced off against the Imperial Army, who invaded through a Gate from another world.

Battle Overview[]

The locations[]

Although never specify the exact coordinate in the original material, based on visual landmark it could be determent that the gate was open facing northwest on the 4th Chōme (a Japanese unit of municipal address system) blocking the road leading to the Seiko House. Coincidentally in real life this area is now located the Miharabashi plaza, a semi-circular public space almost directly on top of the site were the boarder dome was built.

It later got changed in the anime to be on the Kojunsha-dori St. near the Lion beerhall.

Prior to the in full invasion, using the gate in it's natural form, the empire army sent out a small group of solder presumably at night or utilize some sort of mirage magic to conceal themself for reconnaissance and survey the city grid then kidnaped a group of civilian for interrogation on the way back. Later the portal stabilizing structure was build and calibrate to opened in the most strategic location (to their knowledge) using the information from the scouts and the kidnappees.

Initial Imperial Incursion[]

In the summer of 20XX, a portal to another world appeared in Ginza, from which an invading force emerged. The attackers, resembling a Roman-era army, consisted of infantry, cavalry, and brought various non-human creatures such as dragons, goblins, orcs and others. They launched an assault on the city, resulting in several hundred civilian deaths and the abduction of an unknown number of people, who were taken back through the Gate.

Believing they had successfully conquered new territory, the Imperial Army declared the city as their own. However, they were unaware of the true scale of the world they had entered, as well as the strength of the modern military force they had provoked.

Local police, armed primarily with submachine guns and pistols, were quickly overwhelmed by the sheer numbers of the invading force. The JSDF was immediately mobilized to stabilize the situation, though it took time for them to arrive.

Siege of the Tokyo Imperial Palace[]

Yōji Itami, an off-duty JSDF lieutenant attending a doujinshi sale in Ginza intervened, taking command of the police force to evacuating civilians gathered at the Kokyo Garden through the Imperial Palace with the passing granted by the Japanese Imperial family, Itami and the police guarded the palace gates, arming themselves with tactical police equipment and maintaining the defense of the Imperial Palace.

The Empire attempted to breach the palace walls with ladders, trebuchets and through the gate, but these attempts were easily repelled by the police force, who were more concentrated and used their firearms to easily kill all incoming attackers.

JSDF Intervention[]

After the police force secured the Imperial Palace, the JSDF arrived to reinforce their position. An Asagiri-class destroyer provided naval bombardment against hostile positions, while Cobra assault helicopters engaged and neutralized dragon riders before shifting their focus to enemy ground forces.

The Empire, unprepared for the overwhelming firepower of their adversaries, began a chaotic retreat toward the Gate. Meanwhile, the police force defending the palace launched a counteroffensive, pushing Imperial forces back and capturing those who were unable to escape in time. During the retreat, an estimated 60,000 Imperial soldiers were killed.

Aftermath[]

Following his intervention, Itami was promoted to First Lieutenant. In response to the new development, the JSDF established a base and deployed a Special Task Force into the Special Region. Their objectives included exploring the territory, assessing potential threats, and initiating diplomatic efforts with the local inhabitants.

During the battle, the JSDF took a significant number of prisoners but faced logistical challenges in handling them. As a result, the prisoners were relocated to a designated island facility, where they were housed alongside demi-human auxiliaries.

The Imperial officers and nobles among the captives initially struggled to adapt to their new conditions. Accustomed to positions of authority, some expressed frustration over being treated similarly to lower-ranked individuals and non-human detainees. The language barrier further complicated their situation, as it limited their ability to communicate grievances effectively. However, by modern Earth standards, their living conditions were considered adequate, offering amenities that were, in some ways, more comfortable than what was available in their home region.

As peace negotiations between the Japanese government and Princess Piña Co Lada progressed slowly, most of the human prisoners were eventually repatriated to the Empire. Meanwhile, reports emerged that a significant number of demi-human captives were transferred to the United States for scientific study following an agreement between the US and Japan.

Noriko Mochizuki's family was believed to have perished in the attack. Their home burned down shortly afterward, reportedly due to electronics left on, suggesting they had only planned to be away briefly. Since no human remains were found in the wreckage, suicide was considered unlikely. This left Noriko both orphaned and homeless. However, as no bodies matching her family were recovered from the battle site either, it remains possible that they fled to another part of Japan to escape the conflict.

Gallery[]