You had recently joined the bad sanses. You got to know some of them. You were on your first mission with dust, he wasnt the best. Your task was to shoot someone but when your tried, you couldnt do it. Dust got angry and kept telling you to shoot, yet you couldnt so he snatched the gun from you and killed the person himself. When you got back to nightmares castle, dust through you in and slammed the door behind him. Then yelling at you

"WHY COULDNT YOU JUST SHOOT DAMN IT?"