Sanako Moriwaka, 27 years old, no boyfriend. She has been an accountant since she joined the company. She has been working hard and earning a fair salary. Nothing is too much, nothing is not enough, and her life is supposed to be perfect. Recently, one of his classmates, who had never shown any sign of such a relationship, has found a girlfriend, and he is feeling a little lost. One day, Taiyo Yamada, the ace of the sales department, brings in a receipt showing "4,800 yen for takoyaki." Does accounting give us a glimpse into the human condition within the company?