SDMT-955 Commanding r** and forcing incest. Abnormal stepdaughter's mother toying with her.

Shiori has a son, Oga, who is a university student. - And his new partner, Kousuke, has a daughter, Uta, who is a student at ○ school. - The two should have happily remarried... - However, the presence of Shiori, who is Uta's stepmother, becomes unbearable as she feels as if her father has been taken away from her. - Due to this twisted love, Uta forces Shiori to r** her and even threatens her with a deadly weapon and forces her to have incest with her son...