[He calls out softly when he notices him move away, when it registers where he's heading to and though he doesn't stop him, he hopes his voice can ground his twin in some way, that he might hear him. Keep him from getting lost in the overwhelming sensation that being in this place without recollection must bring...]
[And quietly, Kamui follows Subaru down that hallway, soon standing behind where he stops, and gently touching his hand over his on the handle, not turning it. Rather, he checks:] Are you all right?