First Kitchen has a limited edition mille-feuille pork cutlet sandwich, which is so named because the pork cutlet contains thin-cut layers of roast beef and therefore resembles the French pastry. An added yuzu sauce also distinguishes this from the typical pork cutlet sandwich.
http://www.first-kitchen.co.jp/news/?ym=201204#nw104
Photo is a web capture for explanatory purposes, copyright belongs to the company.