Yuta, the owner of a small company, falls in love with "Kana" at a slave auction and makes her his wife. Her husband loved his wife deeply, but his wife, who had been drained for a long time, lacked expression and reaction... their love was drifting apart. Then one day, her husband fails in his investment and goes bankrupt. A wife who sacrifices herself to earn a little money. Her husband tries to help such a wife... but in fact, Kana has a secret...