Found at Yodobashi Akiba.
The former site of "Sushi Zammai AKIBA" on the 1st floor, which closed on August 16, appears to be a docomo service corner.
It will open on October 2, and its business hours are from 9:30 a.m. to 10:00 p.m.
The sushi restaurant "Mawaru Sushi Zammai AKIBA" on the 8th floor will also close on October 1.