Personal Name: Undertaker Overview: Known as Shin. Former Captain of the Spearhead Squadron and leader of the First Platoon. Rank at the time was Captain. Lineage: Mixed blood of Onyx and Pyrope. Personality: Calm and composed to the point of being called "stone-faced." - Known by the moniker "Reaper." - He carries the burden of delivering the coup de grâce to fatally wounded comrades and engraving the names of the fallen onto fragments of their units to mourn them.

Personal Name: Wehrwolf Overview: Former Vice Captain of the Spearhead Squadron and leader of the Second Platoon. An Eisen boy, rank at the time was First Lieutenant. He has a long-standing, inseparable bond with Shin. Personality: The reliable older brother figure of the squadron who is very attentive to others.

Personal Name: Laughing Fox Overview: Known as Theo. Former leader of the Third Platoon of the Spearhead Squadron. A Jade boy, rank at the time was Second Lieutenant. Personality: A cynical youth with a bit of a sharp tongue. - His hobby is drawing, and he paints the personal marks on everyone's units.

Personal Name: Snow Witch Overview: Former member of the Fifth Platoon of the Spearhead Squadron. Lineage: Mixed blood of Celesta and Adularia. Personality: Graceful and ladylike. - Along with Raiden, she is a skilled cook.

Personal Name: Gunslinger Overview: Former leader of the Sixth Platoon of the Spearhead Squadron. Rank at the time was Second Lieutenant. Lineage: Mixed blood of Agate and Topaz. Personality: Energetic and bright. - She harbors a faint romantic interest in Shin.

Overview: Known as Lena. Serves as the Handler for the Spearhead Squadron. Lineage: Alba. Personality: Earnest and serious. - She rebels against the current state of the Republic and the corrupt military. - Possesses excellent command and control abilities. - Highly skilled in information analysis and insight. - Even espers with abnormally developed intelligence have called her a "monster."