Release rule
How to Book Koguma: Reservation Release Day, Phone and Rules (2026)
小熊 · Ginza, Tokyo · Kaiseki · Dinner only
How to book this house
OMAKASE opens the following month on the 1st at 10:00 JST (two bookings a month); Ikyu, Tabelog and phone also book. Omakase ¥39,600, closed Sundays, holidays and 1st/3rd/5th Saturdays, ages 16+.
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Release timing is from the OMAKASE listing (not rechecked).
- Next release
- November 1, 2026 · 10:00 JST → December 2026
Dates through November 2026 are already open.
- Lunch / dinner
- Dinner only
- Phone line
- 03-5537-7444 (Japanese; official site) / 050-5456-3540 (Tabelog line)
- The house's cancellation charge
- From 20:00 JST, 2 days before50%
- From 12:00 JST, 1 day before80%
- Same day, with notice100%
- Same day, no notice (no-show)100%
Charged by the house, not by us. A plan's own policy takes precedence.
Source: Ikyu, read 2026-10-04
- If a seat comes back
Cancellations: add the restaurant to your favorites on OMAKASE and it notifies you, first come first served. omakase-japan.zendesk.com
We still send you release-date alerts: for a set release date, the day before, on the morning of release day (08:00 JST) and about 30 minutes before when the time is known; for houses that open a little every day, a weekly summary.
Allergies or dietary needs? Make a Japanese dining card →
Next release days
Before you ask us
- Smart casual. Shorts and sandals are refused at the door.
Last verified May 31, 2026 · checked by our desk October 4, 2026
Source for the booking rule: the house's official site (ginza-koguma.com), read October 3, 2026.
All times are Japan Standard Time (UTC+9).
When does Koguma open its reservation book?
Reservations at Koguma next open on November 1, 2026 at 10:00 JST, for dates in December 2026. OMAKASE opens the following month on the 1st at 10:00 JST (two bookings a month); Ikyu, Tabelog and phone also book. Omakase ¥39,600, closed Sundays, holidays and 1st/3rd/5th Saturdays, ages 16+. Release timing is from the OMAKASE listing (not rechecked). All times are Japan Standard Time (UTC+9).
What does Koguma charge if you cancel?
From 20:00 JST, 2 days before 50% / From 12:00 JST, 1 day before 80% / Same day, with notice 100% / Same day, no notice (no-show) 100%. Charged by the house, not by us. A plan's own policy takes precedence. Source: Ikyu, read 2026-10-04
How do I book Koguma from abroad?
Koguma takes reservations online through OMAKASE and Ikyu, which you can use from abroad with your own account and a credit card. If you would rather not, our Tokyo desk can request it for you: ¥12,000 per seat, charged only if the table is secured. A free release-date alert emails you the day before, on the morning of release day (08:00 JST) and about 30 minutes before when the opening time is known; houses that open a little every day come in a weekly summary.
What time zone is the release time?
All times are Japan Standard Time (UTC+9). Release days are computed from the house's published rule and re-checked monthly.
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← All 1,240 houses in the booking calendar
Rules are verified against official notices and platform listings and re-checked monthly. Houses change their systems without warning; treat the calendar as a planning tool. For restaurants in our collection, our desk confirms the specifics for your dates when you request.