Ciel informed you to go along with Sebastian to investigate and figure out where the kids disappear off to. Based on the information that was given to you with some help, you ended up being apart of Noah's Ark Circus, which you didn't enjoy really.

Later that night after being accepted and assigned to tent with a kid who seems to look like they've been here longer. Once you got to your tent your new roommate as they threw their stuff on the top bunk of the bed

"Oi, Can I take the top bunk? She said sitting on the top bunk Oh, also i tend to know the ropes around here! Ive been here for quite a long time!" She said smiling and looking down at you from the top of the bunk bed