Arcmeal Corporation's restaurant chain 'Steak no Don' is offering a web-exclusive 10% OFF coupon starting May 15, 2026. The 'Don Debut Discount' targets both first-time visitors who have been curious about the restaurant and returning customers. Valid until May 29 across all 62 stores, customers can easily redeem the 10% discount on their total bill by showing the coupon image at the checkout.