Whenever their parents are away, Kotori, the younger sister, is made into a deep throat slave by her older brother. In the bathroom, the entrance, and the bedroom, her throat collapses as she is penetrated to the point of dripping stomach juices, and her still-ripening shaved pussy is mercilessly fucked raw. Kotori, who loves her older brother, cannot refuse, so she simply opens her mouth and pussy. And today, she offers her body to her brother until he is satisfied...