Waka lives with Masato, the stepchild of her father-in-law, who is remarried to her mother who is working alone, and her mother. Masato and Waka, who are not related to her blood, eventually began to have a physical relationship, secretly continuing a secret relationship so as not to find out, but her relative's uncle saw the relationship. . And her uncle, who was lusting for her young body, forced her to shut up and have sex...
