The masterpiece of the sister swamp NTR, based on the original work of Shoot the Moon, is finally being adapted into live action! After losing her parents in an accident, Mariko, along with her younger sister, protected her younger brother Mitsuru, who was being bullied at school. At that time, the one who helped was Takashi, Mitsuru's classmate. Mariko pleaded with Takashi to help her brother until he recovered, accepting his lewd demands as a condition of exchange. The demands gradually escalated, eventually leading to her being forced to take obscene photos and being threatened and raped with them...