Easier to Collect Stamps and New Rewards! KAYAVA. Official App 'Stamp Card' Renewed!

Plenus Co., Ltd. (Headquarters: Ginza, Chuo-ku; President and Representative Director: Shiro Kaneko) operates 2,823 stores nationwide as of the end of February 2026, including the take-out bento chain 'Hotto Motto,' the set-meal restaurant 'Yayoiken,' the shabu-shabu and authentic dim sum restaurant 'MK Restaurant,' and the ramen shop 'KAYAVA.'

Starting Wednesday, April 1st, the 'KAYAVA. Main Store' will renew the 'Stamp Card' feature within its official app. We have updated the content to make it easier to collect stamps and enjoy rewards than ever before. We invite you to use the KAYAVA. official app and enjoy the stamp card along with your meal.

New Stamp Card Details You can collect one stamp by entering the number printed on your meal ticket into the app when you visit. The card has a total of 6 slots, and you can earn valuable coupons upon reaching the 1st, 2nd, 4th, and 6th slots.

- Start Date: Wednesday, April 1, 2026, from 11:00

Coupons Available with the New Stamp Card By collecting stamps, you can get these valuable coupons.

Store Overview Store Name: KAYAVA. Main Store Address: 1F Nihonbashi Yayoi Building, 1-7-1 Kayabacho, Chuo-ku, Tokyo Business Hours: Weekdays 11:00-22:00, Saturdays 11:00-21:30 (Closed 15:00-17:00) Closed: Sundays and Public Holidays Seating: 15 seats

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