A Michelin-starred sushi restaurant in Tokyo's Kagurazaka district, known for its traditional Japanese cuisine, aged sushi, and serene ambiance.
The chef whose culinary spirit guides the menu at Ichiu, known for his traditional Japanese approach to cuisine.
Last updated: 4/22/2026, 11:18:12 AM
Ichiu, meaning 'under one roof', is a Michelin-starred sushi restaurant located in Tokyo's Kagurazaka district. It offers traditional Japanese cuisine, specializing in refined aged sushi, complemented by seasonal small dishes and thoughtful sake pairings. The restaurant's serene ambiance features a distinctive roof-shaped ceiling, visually reinforcing its name and embodying the culinary philosophy of Chef Koichi Hamano.
Customer perception is mixed, with many praising the calm atmosphere, lovely ceramics, and the artistry of the food, describing it as a "once in a lifetime experience." However, some reviews highlight inconsistencies in service, particularly for non-Japanese speaking guests, with issues like infrequent water refills and a perceived lack of professionalism. While some found the food exceptional, others felt it was "average" or varied in quality for the high price point, with concerns about chef interaction and the pace of service.

At Ichiu in Kagurazaka, Tokyo, guests can indulge in a culinary journey featuring refined aged sushi and a variety of seasonal small dishes, perfectly complemented by thoughtful sake pairings.
Ichiu, a new restaurant in Tokyo's Shinjuku City, has recently opened its doors, offering a refined experience of traditional Japanese cuisine and sushi.
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The restaurant's name, 'Ichiu', translates to 'under one roof', a concept visually reinforced by its distinctive roof-shaped ceiling. It is located in the Kagurazaka area of Shinjuku, Tokyo, and is known for offering thoughtful sake pairings to complement its cuisine. The nearest station is Iidabashi Station.
No specific best times to visit are mentioned, but dinner is the primary meal type offered, often as an omakase experience.

Chef Koichi Hamano's Ichiu in Tokyo's Kagurazaka district offers a refined Japanese dining experience, celebrated for its aged sushi, seasonal dishes, and thoughtful sake pairings, earning recognition from the Michelin Guide.

Ichiu, a recently opened restaurant in Tokyo's vibrant Kagurazaka district, is quickly gaining acclaim for its traditional Japanese cuisine, refined aged sushi, and seasonal small dishes, earning recognition from the prestigious MICHELIN Gu…