Kojou from hotel service checks into Sparrow's Hotel under cover as a guest to secretly check on the staff's competency. But it seems Satou has sensed... murderous intent?
Kojou-san from hotel service.
 Thanks for your hard work.
Kojou-san del servicio del hotel.
 Gracias por su buen trabajo.
Gracias por su servicio 
a nuestro hotel, Kojou-san.
Kojou, da divisão de serviços, 
bom trabalho.