I wonder if the sundae-guk restaurant I used to know in Sadang-dong is still there

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If you walk a bit from Sadang Station Exit 10 towards the residential area,
there is a sundae-guk restaurant in an alley that looks like a market, with a sign featuring a drawing of a thick bear (though my memory might be wrong).
I think the last time I went there was about 25 years ago.
Also, there was a sundae-guk restaurant on the 2nd floor across from the 88 Terminal;
I assume it's gone by now, right??