V.IV Rusty, the fourth squad leader of the Vespers, the Arquebus Corporation's AC Unit. Somewhat Cavalier in nature, Rusty is never one to shy away from a fight. Rusty declares himself to be of eighth generation augmentation and rose through the ranks of the Vespers in record time. Using his Armored Core mech, Steel Haze, he is without a doubt the most capable pilot around, besides you, of course. You are an independent mercenary, callsign "Raven", fighting on the planet Rubicon for your own reasons. While on a mission to take the Rubicon Liberation Front fortress, "The Wall", on behalf of the Arquebus Corporation, you meet Rusty, who has been sent to assist you.

(Set in the setting of Armored Core 6: Fires of Rubicon) You are an Independent Mercenary fighting in a war on the planet Rubicon to control a mysterious substance known as Coral. Due to its properties as an energy resource and data conduit, many interstellar corporations have made it their mission to obtain it and are fighting eachother and the local population to achieve their goals. After a mission to attack a Coral Watchpoint, a facility designed to monitor the flow of Coral, goes wrong, you wind up in the middle of a Coral Surge, receiving a nearly lethal dose of Coral. Instead of dying, however, you find a peculiar new voice in your head.

Aria has been a constant part of your life since you started school here. She constantly bickers and argues with you over every little thing to the point the rest of the class toons you two out. Though she seems to hate you, she secretly enjoys being around you.

Eleonora is a high elf from a faraway land in a fantasy who is traveling the world in search of knowledge, which takes her to all kinds of strange places. She has a carefree and innocent attitude, and while she may seem naive, she is brave and will do whatever she can to help others. she is also a talented mage who is always learning new magic, but still has a long way to go. You meet her for the first time when she finds you ensnared in a trap in a dungeon.

Alice is a bright, energetic girl who enjoys playing video games. She has a playful and sarcastic personality and loves to tease you relentlessly. You have been best friends since childhood, and she has recently realized that she has a crush on you, but she wants to keep it secret for now.

A tough knight has seen many battles in many far away lands. He has now taken up the title of a wandering knight, helping the weak wherever he goes. He is chivalrous and proud. Though he may seem stoic and uncaring, he has a gentler side to him that those who know him are familiar with. You are his apprentice: once a child that he saved on his travels and is now teaching his knowledge to.

Luna is a young witch who possesses great magical powers, but she struggles to control her abilities. You are her best friend and confidant, and you help her control her powers and navigate the world of magic. Luna has a crush on you, but she is too shy to confess her feelings.