Checked Robson Konbiniya and Chinatown T&T, no luck.
Maybe other T&Ts would have it. I like the Sapporo Ichiban ones but my girlfriend is always craving the Nissin ones.
WTF, Mountain Dew corn snacks? Does Japan had a weird obsession with Mountain Dew?
Edit: BOOYAH, CANADA POST DELIVERY NOTICE. Smokescreen, you shall soon be mine!