Yuta, the owner of a small company, falls in love at first sight with Kana at a slave auction and makes her his wife. The husband loves his wife deeply, but after being a slave for a long time, she has a lack of facial expressions and reactions... and their love is drifting apart. Then one day, the husband fails in an investment and goes bankrupt. His wife sacrifices herself to earn a little money. The husband tries to help his wife, but Kana actually has a secret...