Mos Burger in Japan is offering free samples of new frozen Mos Deli burgers along with a 15% off coupon on all items during the TikTok Shop Brand Day event from September 1 to September 5, 2026.
The event takes place entirely on the TikTok Shop app, where Mos Burger will showcase its products with discounts and free giveaways. Prices reflect typical restaurant promotions in Japan, with popular items like the Mos Rice Burger 6-piece tasting set priced at ¥4,670 (tax included) and the frozen Mos Chicken 10-piece pack at ¥4,300 (tax included).
The official TikTok Shop Mos Burger online store will distribute the 15% off coupon valid on all products. Additionally, the first 4,000 customers who purchase during the event will receive free samples of new Mos Deli frozen products, including 300 units each of the “Mos Deli Grilled Rice Burger Beef Kalbi” and “Mos Deli Grilled Rice Burger Chicken Kinpira,” as well as 3,400 units of the “Mos Rice Burger Dry Curry.” Popular content creators such as Ayannu and Hige Shokudo will also host live commerce sessions during the event.
About the TikTok Shop Brand Day “Mos Burger Day” Event
The “Mos Burger Day” event marks one of the most advantageous sales periods in Mos Burger’s official online shop history. Customers can combine the 15% off coupon with other TikTok Shop promotions to receive discounts up to 32% off. The event features a platform takeover within the TikTok Shop app, with over 100 popular creators promoting Mos Burger products through videos and live streams. Since launching the TikTok Shop official Mos Burger store in April 2026, sales have rapidly grown to account for about 20% of Mos Burger’s total online sales, with creator videos driving approximately 80% of sales.
Highlights
- All items available with a 15% off coupon during September 1–5, 2026.
- First 4,000 buyers receive free samples of Mos Deli frozen rice burgers and Mos Rice Burger Dry Curry.
- Popular creators like Ayannu and Hige Shokudo host live commerce streams.
- National free shipping applies throughout the event.
- Discounts can reach up to 32% when combining coupons.
Event Details
| Item | Details |
|---|---|
| Name | TikTok Shop Brand Day “Mos Burger Day” |
| Period | September 1, 2026 (Tue) – September 5, 2026 (Sat) |
| Location | Official TikTok Shop Mos Burger Online Store |
| Stores | TikTok Shop Official Mos Burger Online Store |
| Price | 15% off all items; Mos Rice Burger 6-piece tasting set ¥4,670 (tax included); Frozen Mos Chicken 10-piece pack ¥4,300 (tax included) |
| Sample Products | Mos Deli Grilled Rice Burger Beef Kalbi (300 units), Mos Deli Grilled Rice Burger Chicken Kinpira (300 units), Mos Rice Burger Dry Curry (3,400 units) |
| Official website | https://ec.mos.jp/ |
Before you buy
- When can I buy Mos Burger products with the 15% off coupon?
- The coupon is valid from September 1 to September 5, 2026, at the official TikTok Shop Mos Burger online store.
- How can I get the free Mos Deli samples?
- Free samples are given to the first 4,000 customers who purchase during the event period.
