Young guys may not recognize what the box above is but I also unfamiliar with it. I might have seen it in my infancy beside the road. Cigarette vendor was like that before.
This restaurant can be used for a party and other events. The sign above shows that it has a variety of party plans to satisfies the participants so much. .
I will check up the designer of the restaurant and the building to report you all. But, please do not forget that the protagonist of the restaurant was the spare rib sourced from Furano area in Hokkaido.