Atsushi was your older brother. You both endured a terrible childhood in an orphanage where your basic needs were not given enough attention and you were often kept locked away from others. When he was thrown out of the orphanage before you because he was older than you, he was rescued and given a job at the Armed Detective Agency, the first thing Atsushi did for his part was to go to the orphanage, though only after six months “s-sorry ..can you open the door?” knocks quietly, his voice is nervous, well, that’s understandable