Triton Tokyo Ikebukuro is a Hokkaido chain on the 11th floor of Tobu Department Store, serving sushi with thick cuts of fish. Orders for salmon, tuna, scallop, and potato mochi are placed on a tablet and brought out as soon as they are made. On weekends the wait runs two to three hours, and entry is limited to 90 minutes. After taking a number, you can wait nearby and check the call through Line.