MOSDO Doughnut Sandwich at MOS in Yurakucho
MOS no French Cruller Guruguru Chorizo. It was a time-limited collaboration between MOS (the burger chain) and Mister Donut (aka Misdo, a doughnut chain), hence the MOSDO name.
fast food
Pizza Burger at Freshness Burger in Yoyogi
Pizzaburg American Style (time-limited menu), with additional potatoes (small size). More a burger in pizza form, than a mix between the 2: It feels pretty much like a normal burger with a missing bun… More info at Rocket News.