Originally Posted by AlwaysAisle

Ikekan (すし屋のいけ勘) has a website, Japanese only. But you can see some pictures on the website and get some idea.

Menu
Dinner Omakase JPY 8000. 1 small plate item, 1 grilled item, sashimi, and sushi

Lunch: regular nigiri JPY 1260, tokujyou (superior) nigiri JPY 3675

Pictures of inside of the restaurant

Ikekan is located on 2nd floor of Roppongi Arms building.

Dinner: 6 p.m. – 11 p.m. (Saturdays and national holidays 5 p.m. – 10 p.m.)

Lunch: 12 noon- 1 p.m. (no lunch service on Saturdays, Sundays, and national holidays)

Closed on Sundays and Mondays if national holiday

Cash only on lunch