12-seat counter-only Edomae sushi restaurant in Nishishinjuku, Tokyo, run by a chef trained in Japanese cuisine before turning to sushi; cash only
At a glance
- Price
- $$$$
- Seats
- 12
- Dress code
- smart casual
- Reservations
- Omakaseje.com
- Booking
- Omakase.in
- Category
- Cash onlyCounter only
- Cuisine
- Edomae sushi
- Price
- Luxury
Sushi Kosuke sits below street level in Nishishinjuku, a short walk from Shinjuku Station, with a single hinoki wood counter seating twelve. The chef trained in Japanese cuisine before moving into sushi, a background that shows in techniques applied alongside traditional Edomae methods.
The restaurant is known for its otoro and shirouo (or similar white-flesh) nigiri; the site specifically highlights otoro from natural honmaguro, trimmed of sinew and scored roughly fifty times on each side, and nodoguro cured in kelp for a full day before being seared skin-side and finished as nigiri.
Seating is counter-only, and the restaurant is cash only. Dress code is smart casual. It is closed Mondays and open 18:00 to 23:00 the rest of the week, with last entry at 20:30 according to the official site. Bringing your own bottle is permitted for a corkage fee of ¥10,000 per bottle, tax and service included.
Reservations are handled through omakaseje.com, linked from the restaurant's own site, and booking is also listed via Omakase.in. Given the twelve-seat counter and price tier, advance reservation is advisable rather than optional.
Good to know
- How do I book a seat at Sushi Kosuke?
- Reservations go through omakaseje.com, which is linked directly from the restaurant's official website; the listing also appears on Omakase.in.
- Is Sushi Kosuke cash only?
- Yes, the restaurant accepts cash only, so plan to bring enough yen to cover the meal and any corkage.
- Can I bring my own sake or wine?
- Yes, corkage is ¥10,000 per bottle, tax and service included, according to the official site.
- What should I wear?
- The dress code is smart casual.
- What are the hours and is it open every day?
- Service runs 18:00 to 23:00 daily except Monday, when the restaurant is closed; confirm last-seating time directly with the restaurant, as the official site notes a 20:30 final entry.
Details checked October 18, 2026. Prices and hours change; confirm before you go.
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