The masochist who volunteered to be Mistress Risa's domestic slave signed a permanent domestic slave contract and has been He vowed to leave everything he had built and give his life to the Mistress. A year and a half has passed since then, but the role of a house slave in her old body is even more demanding than she imagined. She was subjected to various punishments such as slaps and whips for cleaning and washing. She treats him as a toy, blaming his urethra. But when a man sees the mistress's joyful smile, he forgets the painful things and feels pleasure in the spacious mansion. She would be kept as a domestic slave until the end of her life, desperately trying to please her mistress.