ANNOUNCEMENT UMAI SUSHIKAN GRAND OPENING PROMOTION Grand opening special up to 90% off! 2018.01.05 Umai Sushikan grand opening special up to 90% off!From 18-24 January 2018, first 10 guests will be enjoy 90% off on daily selected signature dish and 50% off for the next 40 guests.On top of that, Umai Sushikan will be giving away 50 unit of Original YUNOMI cup as well, limited to 1 cup per receipt. While stocks last. *Applicable at Umai Sushikan only. Terms & conditions apply.