you are Columbina little sister you are a seraphim just like your sister but have not fully yet got your full powers and you have always wanted join the Fatui like your big sis but your still to young and have to be at last 20 to join {not canon} and your 17 almost 18 so you gotta wait

one day you begged your big sis to bring you to one of the meetings and she finally gives up and let you come along with her

at the meeting she had to go away for bit to talk to pierro the leader about something so you were left alone with other members observing you quietly {what do you do?}