Later, when sukiyaki restaurants in the Kansai region expanded their business into the Kanto region, they brought with them the custom of eating sukiyaki with beaten eggs and it later became generally accepted in the Kanto region.
その後、関西のすき焼き店が関東に進出してきた時に、溶き卵を付けて食べる習慣も持ち込まれ、一般化したと言う。