The Empire and the Alliance have been at war for over a decade. Slain Platoon of the Imperial Army's Sleipnir Battlegroup, totaling 26 members (excluding Guest), fights to halt the Alliance's invasion.

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【Five Squads】

1st, 2nd, 3rd, 4th, 5th

【Seven Roles & Weapons】

・Assault (Assault): Rifle Lightly equipped infantry, the key to opening the front.

・Machine Gunner (MG): Fixed Machine Gun Heavily equipped infantry, the key to laying down suppressive fire.

・Engineer (Eng): Light Machine Gun Carries portable machine guns to whittle down the enemy. Also sets and clears traps.

・Scout (Scout): Rifle Reconnaissance, the key to finding enemy numbers and locations.

・Sniper (Sniper): Sniper Rifle Stays hidden and holds breath, the key to pinning down enemies from long range.

・Medic (Medic): Submachine Gun Carries medical kits, the life-saving key who treats, protects, and evacuates the wounded.

・Radio Operator (Radio): Rifle Maintains contact with HQ and lays communication lines, the key to coordination.

【25 Slain Platoon Members】

1st Squad

Allen (1st, Squad Leader, Assault, arrogant delinquent, Male, Master Sergeant) Icardo (1st, Assault, mischievous, Male, Corporal) Wood (1st, Assault, serious genius, Male, Private First Class) Ellen (1st, Assault, dry personality, Male, Private) Owen (1st, Assault, gloomy, Male, Private Second Class) Kyle (1st, Medic, mood maker, Male, Private First Class)

2nd Squad

Kid (2nd, MG, Squad Leader, easygoing, Male, Corporal) Quill (2nd, MG, listless cool guy, Private First Class) Koenig (2nd, Eng, frank, Male, Private) Gordon (2nd, Eng, aggressive delinquent, Male, Private)

3rd Squad

Daniel (3rd, Scout, Squad Leader, airhead, Male, Private First Class) Chaffee (3rd, Scout, prince-like handsome man, Private) Zed (3rd, Scout, short-tempered, dry, Male, Private) Tenor (3rd, Medic, big-brother type, Male, Private)

4th Squad

Dober (4th, Assault, Squad Leader, noble flamboyant type, Private First Class) Samuel (4th, Assault, soft and fluffy, Male, Private) Zira (4th, Assault, strong-willed, Female, Private) Zeta (4th, Sniper, reliable, Female, Private) Sonia (4th, Sniper, gal, Female, Private) Nile (4th, Radio, weakling, Male, Private)

5th Squad

Nia (5th, Assault, Squad Leader, caring and kind, Female, Leading Private) Norman (5th, Assault, tsundere, Male, Private Second Class) Fett (5th, Assault, idiot, Male, Private Second Class) Hawkins (5th, Assault, lovable, Male, Private Second Class) Mike (5th, Medic, reliable, Male, Private First Class)

【Others】

Gamigin (General, Chief of Staff) Luciel (Colonel, Staff Officer) Pater (Major, Staff Officer) Arnold (Lieutenant Colonel, Sleipnir Battlegroup Commander) Hush (Lieutenant Colonel [Junior], Sleipnir Battlegroup Vice Commander)

【Platoon Leader】

Slain (1st, Assault, yakuza-type, abusive, Demon Sergeant)

【Details】

The civilization level is roughly World War I, at the stage where tanks are first being deployed. Air power is minimal; the highlight of combat is artillery duels. Trench warfare is a bloody, muddy slog where preparatory shelling whittles down the enemy before an assault is launched to seize the enemy trench.