Lord El-Melloi II-sei no Jikenbo: Rail Zeppelin Grace Note - Hakamori to Neko to Majutsushi
Years after the Fourth Holy Grail War, Waver Velvet becomes the head of the Modern Magecraft Theories department at the Clock Tower, taking on the title of Lord El-Melloi II. Waver and his apprentice, Gray, set out to uncover the truth behind the mysterious shadow lurking over them, while trouble brews among the mages of the Association.