At the Jieitai Kanochi base.

synopsis

In the Ginza district of Tokyo, a mysterious portal ("Gate") appears, from which soldiers and creatures from a fantasy world emerge, attacking civilians. Youji Itami, an officer in the Japan Self-Defense Forces (JSDF) and an otaku, helps evacuate people. After repelling the invasion, Japan sends the JSDF through the portal to explore the unknown world and prevent future threats. Upon crossing the "Gate," they encounter a vast medieval kingdom filled with magic, dragons, and mythical beings. Itami leads a squad that establishes diplomatic relations, combats threats, and navigates political intrigue in both the other world and Japan. The story explores the cultural and technological clash between modern Japan and the Empire of the other world.

Main characters

1. Youji Itami Description: JSDF officer and passionate otaku. He appears lazy and relaxed, but is brave and skilled in combat. Skills: Expert in military tactics, hand-to-hand combat, and survival. Possesses unconventional strategic thinking. 2. Rory Mercury Description: 961-year-old demigoddess with the appearance of a young goth. She is an apostle of Emroy, the god of death and war. Powers and abilities: Superhuman strength and speed, immortality, and expert handling of his enormous halberd. He regenerates by absorbing the souls of those fallen in battle. 3. Lelei the Whale Description: 15-year-old young sorceress, intelligent and studious. She is interested in Japanese science and technology. Powers and abilities: Advanced use of elemental magic and defensive barriers. She is also a polyglot and the group's translator. 4. Tuka Luna Marceau Description: 165-year-old elf with a youthful appearance. She was traumatized after an attack by a red dragon that destroyed her village. Powers and abilities: Traditional elven abilities, such as night vision and keen senses. Develops limited magical affinity later. 5. Piña Colada Description: Princess of the Empire and leader of the Order of the Knights of the Rose. Initially she sees the JSDF as enemies, but later seeks an alliance to save her empire. Skills: Diplomacy, leadership, and swordsmanship. She is a shrewd political strategist.

Important places

1. The Gate An interdimensional portal connecting Tokyo to the "Special Region" (the fantasy world). It is the origin of the conflict and exploration by the JSDF. 2. Otherworld Empire A medieval civilization with power structures similar to those of ancient Rome. It is the main opposing force to the JSDF. 3. Alnus Hill The JSDF's main base in the other world, strategically located near the Gate. From here, they organize their military and diplomatic operations. 4. Imperial City of Sadera The capital of the Empire, where the imperial family resides and political intrigue takes place. 5. Elven Village of Tuka The village destroyed by the Red Dragon, leaving Tuka as the sole survivor.

Notable powers and abilities

JSDF (Japan Self-Defense Forces): Modern technology (tanks, airplanes, firearms) that gives them an overwhelming advantage over the medieval forces of the Empire. Advanced military tactics and modern warfare strategies. Magic in the Other World: Magic is a common skill in the other world, primarily used by sorcerers like Lelei. It includes elemental magic (fire, water, earth, wind), protective barriers, and telepathic communication. Immortals and Demigods: Rory Mercury, as an apostle of Emroy, possesses immortality and divine powers related to war and death.

1. Sadera Empire

Description: The Empire is the most powerful political and military force in the Other World. It resembles a blend of Ancient Rome and medieval Europe, with a feudal power structure and an emperor as its supreme leader. Initially, they are hostile towards Japan and the JSDF, as they see their arrival as a threat to their hegemony. Ruler: Emperor Molt Sol Augustus: A shrewd and pragmatic leader who seeks to maintain his power at any cost. Zorzal El Caesar: Crown prince and main antagonist, cruel and ambitious. He opposes any alliance with Japan. Key features: Medieval army with infantry, cavalry, and siege weapons. Limited use of magic through sorcerers in the imperial court. Slave society and hierarchical society. Relationship with the JSDF: Initially hostile, but later some members (such as Princess Pina Co Lada) seek an alliance to save the Empire from its imminent collapse.

2. Kingdom of Elbe

Description: A small kingdom allied with the Sadera Empire. Although it lacks the Empire's military might, it stands out for its natural resources and strategic alliances. Ruler: King Duran: A wise and pragmatic monarch who seeks to maintain his kingdom's independence through diplomacy. Key features: A feudal society similar to the Empire, but with a more open approach to alliances with foreign powers. Cordial relations with the JSDF following initial contact. Relationship with the JSDF: He allies himself with Japan to protect his kingdom from the internal conflicts of the Empire.

3. Duchy of Formal

Description: A vassal region of the Empire governed by local nobles. It is known for its agricultural wealth and strategic importance near Alnus Hill, where the JSDF establishes its base. Ruler: Formal Duke: A nobleman who sees the JSDF as an opportunity to strengthen his political position. Key features: Prosperous economy based on agriculture. A well-organized local army, but of medieval level. Relationship with the JSDF: It collaborates with Japan, allowing them to use its land as a base of operations in exchange for protection and trade.

4. Elven Kingdom (Tuka Village)

Description: Home to Tuka Luna Marceau and her elven people. It was a peaceful village until it was destroyed by the Red Dragon. Key features: Elves have longevity and enhanced sensory abilities. They are experts in the use of the bow and have limited magical affinity. Isolated and traditionalist society. Relationship with the JSDF: Allies due to the help Itami and his team provide to Tuka.

5. The Dragon Clan

Description: A faction of fearsome dragons, considered the most powerful creatures of the Other World. The Red Dragon is the most dangerous and is responsible for the destruction of Tuka's village. Key features: Extreme strength and resistance, immunity to medieval weapons. Ability to fly and breathe fire. They exhibit territorial and destructive behavior. Relationship with the JSDF: Enemies due to their attacks on villages and their general threat to the balance of the Other World. The JSDF fights them using advanced military technology.

6. The Order of the Knights of the Rose

Description: An elite order of knights led by Pina Co Lada, princess of the Empire. They are known for their loyalty and combat prowess. Key features: Highly trained knights in hand-to-hand combat and military tactics. Composed mainly of young nobles loyal to the Empire. Relationship with the JSDF: Initially hostile, but later they collaborate with Japan due to Pina's political alliance with the JSDF.

7. The Priests and Apostles of the Gods

Description: In the Other World, religion plays an important role and the gods have direct influence. Apostles like Rory Mercury serve their respective gods with divine abilities. Key features: Rory Mercury is an apostle of Emroy, the god of war and death. Other gods also have apostles with supernatural abilities. Relationship with the JSDF: Neutral or allied, depending on the interests of each apostle. Rory becomes a close ally of Itami.

8. Alnus Hill Base (JSDF)

Description: The JSDF military base in the Other World. It is established on a strategic hill near the Gate and serves as a center for operations and diplomacy. Key features: Fortified with modern military technology: tanks, helicopters, artillery, and advanced communication systems. It functions as a diplomatic center where the JSDF negotiates with local factions. Their presence generates a cultural and political clash in the Other World. Relationship with other factions: It is seen as a threat by the Empire, but as an ally by other kingdoms seeking protection or trade.

1. The Empire's Invasion of Japan (Ginza Incident)

Description: The initial conflict that sets the entire story in motion. A mysterious portal (Gate) appears in Ginza, Tokyo, and a medieval army led by the Sadera Empire invades Japan, causing destruction and numerous civilian casualties. Outcome: The JSDF (Japan Self-Defense Forces) repels the invasion using modern weapons, decimating the invading army. Consequences: Japan crosses the Gate to the Other World to explore, establish diplomatic relations, and ensure its security. Alnus Hill Base is established as a strategic point for the JSDF in the Other World.

2. The Battle of Alnus Hill

Description: Following the defeat at Ginza, the Sadera Empire organizes a large offensive to recover its honor and destroy the JSDF's Alnus Hill base. Forces involved: Sadera Empire: A coalition of several vassal kingdoms, with tens of thousands of soldiers, cavalry, and siege weapons. JSDF: A modern detachment with tanks, helicopters, and advanced weaponry. Outcome: The JSDF uses modern military tactics and superior firepower to easily defeat the Empire's medieval army. Consequences: The Empire suffers a crushing defeat, losing many of its generals and troops. Fear and respect for the JSDF are generated throughout the Other World. Princess Pina Co Lada realizes the power disparity and begins seeking an alliance with Japan to save the Empire.

3. The Zorzal Rebellion, El Caesar

Description: Zorzal El Caesar, the crown prince, launches a rebellion to usurp the throne of his father, Emperor Molt Sol Augustus, and declares war on Japan. Forces involved: Zorzal's Faction: Troops loyal to the prince, mercenaries, and freed slaves used as cannon fodder. Pina Co Lada Faction and the JSDF: Units loyal to the Emperor, the Order of the Knights of the Rose, and military support from the JSDF. Outcome: The JSDF launches a military operation to liberate the Imperial capital, Sadera, and rescue Pina Co Lada. Zorzal is defeated, but escapes to continue his resistance in the shadows. Consequences: Pina Co Lada is crowned the new empress, officially allying herself with Japan. The Empire begins its modernization under the influence of the JSDF. Zorzal's resistance becomes a long-term threat.

4. Conflicts with the Red Dragon

Description: A Red Dragon destroys the village of Tuka Luna Marceau, sparking a personal conflict for her and a JSDF mission to eliminate the threat. Forces involved: Red Dragon: A huge beast with impenetrable scales, flight, and the ability to breathe fire. JSDF and Itami: Composed of Itami and his team, along with Rory Mercury, Tuka, Lelei La Lalena, and Yao Haa Dushi (a dark elf). Outcome: The JSDF utilizes modern tactics, including missiles and air support, to defeat the Red Dragon, once again demonstrating its military superiority. Consequences: Japan's military power is demonstrated to the factions of the Other World. Tuka finds emotional closure by avenging the destruction of his village. Yao Haa Dushi becomes a close ally of Itami.

5. Diplomatic and Political Conflicts

Description: Not all wars are military; there are also political and diplomatic conflicts between Japan and the powers of the Other World: Japan must manage the political pressure from other nations on Earth, especially the United States, China, and Russia, which desire access to the Gate. The Order of the Knights of the Rose faces internal conflicts over loyalty to the Empire or alliance with Japan. The intrigues of Zorzal and his allies attempt to destabilize the peace between Japan and the Empire. Outcome: Itami and Pina Co Lada's diplomacy helps maintain peace and strengthen the alliance. However, Zorzal's influence persists in the shadows. Consequences: Japan establishes diplomatic and commercial relations with several kingdoms of the Other World. Japan's cultural and technological influence is beginning to change the society of the Empire.

6. Information Warfare and Espionage

Description: Information becomes a key weapon: The JSDF uses advanced espionage and communication to anticipate the Empire's movements. Zorzal uses propaganda to demonize Japan and maintain the support of his followers. Consequences: The struggle for control of the narrative affects the political stability of the Empire. The JSDF maintains its strategic advantage through the use of cutting-edge technology.

1. Humans

Description: The most numerous and politically powerful species of the Other World. They are mainly found in the Sadera Empire and other human kingdoms. Features: They lack innate magical abilities, but can learn magic through study, like Lelei La Lalena. Politically complex, with intrigues, wars, and alliances. Notable examples: Pina Co Lada – Princess of the Empire and leader of the Knights of the Rose. Lelei La Lalena – Highly talented human mage.

2. Elves

Description: Long-lived humanoids with pointed ears and natural magical abilities. They are divided into subraces: White Elves: Peaceful and spiritual. Dark Elves: The fiercest warriors and experts in nature magic. Features: Greater longevity and magical perception. They specialize in elemental magic and archery. Notable examples: Tuka Luna Marceau – Elf survivor of a dragon attack, with latent magical abilities. Yao Haa Dushi – Dark elf seeking the JSDF's help to defeat the Red Dragon.

3. Semi-humans (Demi-humans)

Description: Beings with mixed human and animal characteristics. They are common in the Otherworld and vary greatly in appearance and abilities. Important subraces: Usagimimi (Rabbit Ears): Agile and excellent explorers. Nekomimi (Cat Ears): Fast and with keen senses. Kitsunemimi (Fox Ears): Clever and possessing minor magical abilities. Ryumimi (Dragon Ears): Superior strength and resilience. Notable examples: Delilah: Semi-human with rabbit ears, Itami's ally.

4. Dragonoids and Dragon Hybrids

Description: Humanoids with draconic characteristics, such as scales, horns, and fire abilities. Features: Superior strength and resistance. Some can breathe fire or fly. Notable examples: They exist as minor races and elite warriors in certain realms of the Other World.

5. Sirens

Description: Aquatic humanoid creatures with the ability to breathe underwater and communicate with marine beings. Features: Hypnotic chant with magical properties. Speed and agility in the water. Notable examples: Mermilla: A mermaid that Itami and his team rescue.

6. Giants and Ogres

Description: Enormous humanoid creatures, with great physical strength. Features: They can measure between 3 and 10 meters in height. Brute force and extreme endurance. Limited intelligence, generally used as warriors or guardians. Notable examples: They appear as minor antagonists facing the JSDF.

7. Dragons

Description: Gigantic and powerful creatures with impenetrable scales, flight, and fiery breath. Important subspecies: Red Dragon: Fierce and destructive, known for destroying entire villages. Fire Dragon: With a more powerful and aggressive breath. Features: Immense strength and natural magical abilities. Intelligence varies depending on the species. Notable examples: The Red Dragon – A major antagonist in the Tuka Luna Marceau arc.

8. Gods and Demigods

Description: Powerful entities that govern aspects of nature and existence in the Otherworld. Features: Immortal and with divine powers. They can bestow blessings or curses. They don't intervene directly, but they influence events through their followers. Notable examples: Hardy, Goddess of Darkness and Earth – Shows interest in Rory Mercury and the human world.

9. Apostles (Semi-gods)

Description: Immortal warriors chosen by the gods to serve as their champions. Features: Superhuman strength, speed, and regeneration. Functional immortality: they do not age and recover from almost any injury. Ability to manipulate divine powers according to their patron god. Notable examples: Rory Mercury – Apostle of Emroy, god of war, death, and chaos. Hardy – Apostle of the Goddess of Darkness.

10. Spirits and Magical Entities

Description: Supernatural beings linked to elements of nature or magic. Features: Immaterial or semi-corporeal. They manipulate elements such as fire, water, wind, or earth. They generally do not intervene in mortal affairs, but can be summoned or controlled by powerful mages. Notable examples: They are mentioned in the magical teachings of Lelei La Lalena.

11. Vampires and the Undead

Description: Supernatural creatures that arise from curses or dark magic. Features: Vampires are immortal, with superhuman strength and regenerative abilities. The Undead include zombies and skeletons animated through necromancy. Notable examples: They are enemies on JSDF exploration missions.