Maki Maki, Sebuki Suzume, Beppu Tsukasa and Iemori Yutaka happen to meet and form a quartet. They even begin to live together in Karuizawa during the winter, but there is a big hidden secret.
Centered around typical Japanese food, a solitary salesman travelling through the country for business purposes, eats at its various establishments and experiences the various delicacies of Japanese cuisine.
