YSN-570 The child is kept by the older brother of the child's uncle. - Rina Takase

The older brother of a childish uncle locks himself up at home and plays with his cute little sister's body, making her his meat slave. - The older brother, who doesn't work and doesn't have the money to go to the sex industry, calls his sister when semen accumulates in his testicles, twists his fishy penis into her mouth, and rapes her tight pussy without using contraceptives. - Although the younger sister dislikes it, her well-developed female body inevitably responds, and she twists her hips and drowns in her brother's raw cock.