Sumikko Gurashi × Marugame Seimen Collaboration Campaign 2026 Nationwide

Event Period
July 14–August 31, 2026

Location
Marugame Seimen locations throughout Japan

Details
・A collaboration campaign between “Sumikko Gurashi” and Marugame Seimen will be held.
・The “Marutto Wakuwaku Udon BOX,” which lets customers enjoy a picnic-like experience with the Sumikko characters, will be available.
・Customers who purchase a collaboration box will receive one random original item.
・Four original 3D placemat designs and five original food pick designs will be available.
・The “Udon Fuda” coupon provided with each regular bowl of udon will feature limited-edition collaboration designs.
・The first series of Udon Fuda coupons will be distributed from July 14 to August 3, 2026, followed by the second series from August 4 to August 31.
・Customers who order one udon dish of their choice together with “Marugame Udonuts” will receive one random original collaboration item.
・The first series features an “Original Displayable Coaster,” while the second series features an “Original Bag-Sealing Clip.”
・Bonus items and merchandise may be available in limited quantities. Further details will be announced on the special campaign page.

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