Little Brother's Daughter 1 & 2 Sachiko

Nanaho, the daughter, finds herself alone at home with her uncle after her father leaves for a trip. Her uncle, who has been harboring feelings for her mother, starts to develop an inappropriate interest in Nanaho. As the story unfolds, the uncle's desires become harder to control, leading to a taboo and disturbing incestuous relationship between the uncle and his niece. The movie features explicit scenes of incest, including oral and vaginal sex, as the uncle takes advantage of Nanaho's innocence and naivety.