Toshiyuki feels dejected when no one buys the homemade mentai he starts to sell. The store sales money vanishes just as finances are running low.

いよいよ自作のめんたいを店頭に出すが、まったく売れず落ち込む俊之。家計が苦しくなる中、売上金4000円が無くなる。疑いの目は俊之に…。