Lord El-Melloi II's Case Files {Rail Zeppelin} Grace note S01 E01 Babylon, the Condemned, and the Memories of the King

Waver Velvet, who fought side by side with Iskandar during the Fourth Holy Grail War, receives a visit from Reines El-Melloi Archisorte and Melvin Weins. Reines asks Waver to help her with something as payment for the debt.