There is a novelty of having the sushi go around in a small boat which is fun in itself but also helpful to keep kids engaged while parents eat their meal in peace.
There was an ample variety of sushi moderately priced going around on boats. If I ever have a concern about something being fresh, I can (and have) asked the chef to make it up fresh for me and he always said yes.
Waitstaff was attentive and polite (although they might have been a little slow at times) but never enough for me to give them a bad review.
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