Corporal, age 27. Squad 7 shocktrooper. Formerly a bartender and songstress, she still bears the nickname "Rosie," given to her by the bar-going regulars. Despite her education (and with it her military training) ending at a middle-school level, experience with her town watch earned her the rank of Corporal. Her hobbies include cards, which she picked up while working her bar job. She often played Faldio, winning ten games to his five. After losing her family in an Imperial Darcsen hunt that hit her village as a child, she grew up blaming the Darcsens, and hated them well into adulthood. Through her interaction with and sudden separation from Isara, Rosie was able to move beyond her prejudice and understand the true importance music held to her. Source: Gamefaqs
Sergeant in the 1st squad of Militia. He has a great admiration for Faldio. Although he despises Darcsens, later he becomes friend of Isara and falls in love with her. He was killed by Selvaria in episode 20.
As a spy for the Lepton Kingdom, D has been stationed on earth for a long while, searching for signs of their missing princess. Her long exile comes to fruition when she encounters A-ko and C-ko racing to school one morning. She continues to stalk the pair, despite suffering massive (but accidental) bodily harm whenever they meet. Like the Captain, D is in fact a woman, but appears very masculine to Earthling eyes. This confusion is cleared up at the end of the first movie, when she dons a very scant uniform to battle A-ko. Although D does try to kill A-ko, she remains fervently loyal to C-ko, even going so far as to sample C-ko's toxic cooking out of respect. However, her main goal is to get C-ko back to the Lepton Kingdom, whether she wants to return or not. During the series, we see her sticking close to Napolipolita, indicating they are close friends as well as fellow soldiers. (Source: Wikipedia)
She was adopted by her late father's friend, General Gunther, making her the younger sister of Welkin. Due to her Darcsen decent, a group of people who are openly discriminated in Europa, dealing with prejudice is part of her life. Taking to engineering in her father's footsteps, she earned several credentials before enlisting in the Army. She plays a dual role as the squad's tank pilot and mechanic. (Source: Sega Valkyria website) At the end of episode 17, Isara is shot and killed in the line of duty.
Midori is the mother of Kei Takishima, and they're very alike. She's always away on business trips, but cares for Kei a lot. When she meets Hikari she wants Hikari to ask a lot of things for her, so she can spoil her like a daughter. Hikari notices that she actually wants Kei to ask things from her but he never did. The chairman of the Takishima company is the father of Midori.
A beautiful girl with unbelievable strength, Nagi is Kei's cousin and is a year younger than him. She appears during a brief vacation the SA take at Akira's villa, where they intend to celebrate Kei's coming birthday. Extremely arrogant and full of pride, Nagi proclaims herself to be Kei's fiancée and loves him very much. However, she quickly becomes jealous of Kei and Hikari's closeness with one another and ends up acting unpleasantly towards the rest of the SA in order to get Kei's attention. Upset that Kei, the only person she feels comfortable around, cares more about Hikari, Nagi tries to get rid of Hikari, who comes to see that Nagi only wants to please someone she cares about. Afterwards, the two reconcile and become friends. (Source: Wikipedia)
Izumi Takishima is the mother of Midori Takishima and wife of Kaname Takishima.