Kiri, who grew up in an orphanage, was taken in by the wealthy landowner Hiratsuka family as a live-in maid 24 years ago. Immediately, she was forced to perform services other than her duties as a maid by the head of the household, Tomio, and tried to escape several times but had nowhere to go and could only serve like a slave. What supported her through this was Tomio's son, Yutaka. She was overjoyed by Yutaka's feelings for her from the time he was born, but there was a secret between the two of them…
