Here’s a couple of coupon codes for anyone using Nissen online shopping site. During the checkout process, you need to go through the advanced process and type one of these in where it says “Lucky Number” – if they don’t work, just press back and put in a different one.
5265 – ¥1000 off; expiry date is listed as 20 days from when the flyer came to me.
5606 – ¥1000 off your >¥3000 order; found this on a Japanese site and used it sucessfully in December.
5218 – ¥390 off; valid until January 20th.