Domestic Mistress Contract: Miho Tono ALDN-531

For three months, the older sister lived with her unemployed brother-in-law (husband) and younger brother. The older sister, acting as a housekeeper, only gave her brother a small amount of her part-time job earnings. One night, seeing the older sister comforting her depressed brother-in-law, the younger brother felt a strange urge. One morning, while cleaning the room, the older sister lifted the covers and saw her brother's erect penis, which aroused her. Then, while drinking together one day, she discovered her brother had spent a considerable amount of money in the sex industry. "Eh!? That's so wasteful! Give me that portion, hahaha!" Confused by her sister's words, the younger brother casually suggested, "Hmm? It's okay if you give me the money, right?" Under the influence of alcohol, a compatibility test was conducted in a strange atmosphere, resulting in both becoming aroused and unable to stop... Although they were both mentally prepared, they crossed the line, and the relationship between the older sister and younger brother escalated...