According to Sankei reported [J], Circle-K-Sunkus, the 4th largest convenience chain-store, announced on November 17th that it would replace its own reward points system with e-commerce giant Rakuten’s Rakuten Super Points. Sales ranking of convenience store chains (2011) These 4 groups occupied nearly 90% of domestic market. chains sales(billion yen) Seven Eleven 3281 Lawson 1826… Continue reading Japan’s 4th Largest Convenience Chain-store To Use Rakuten Super Points