While the Main Character of Devil Survivor is a Minato Expy (down to headphones), it's a Platoon-based game, like in ASH, where you can have 3 units (1 human, two Demons) at one squad. Unfortinatly, you only have 4 Leader slots (and thus, 4 platoons) so try not to screw it up... luckly, you can...