To clear things up:

This is not the best quality sushi in town, neither the biggest selection BUT this is the best price !

4 Buffet choices:

86 (quite some dishes and softdrinks/beer)

106 (basically you can take everything expect the superfancy things and you get a bigger selection of drinks but no sake like stuff)

136+ (everything and the more you pay, the bigger the selection of japanese alcohol and sake)

so for people that dont want to read LONG reviews:

first time at a jap buffet ? 106 and try out everything

you know your sushi and go crazy for salmon sashimi ?

86 is totally enough and will make you happy !

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for those people that like longer reviews:

two things you REALLY have to try out:

ofc the salmon sashimi (free flow, just keep ordering.
if you get a fatty order just order more and leave it)

and most important the tie ban niu rou!!!

that stuff must be the best meat dish you can get in beijing.

Seriously: best meat EVER.

if you dont like it bloody say you want it "chuan shu"

Amazing stuff.

so why does this place and kitaya doesnt get 5 stars ?

because considering the price and the taste this is the best deal in beijing. there is also branches all over town, so you should find one close to your place.

so if budget/quantity with the best quality at the same time is what you looking for... look no further, you found your japanese place !