Beautiful older sister Ryoko Murakami and her younger brother were sent to prison for killing the son of a powerful man.Even though he knows that he is innocent, he is a corrupt director who imposes harsh penalties on Ryoko with the authority of a powerful person.Forcible pussy torture called physical examination, bondage restraint corporal punishment in correctional punishment cell.In the end, she is forced to have sex with her brother who is injected with an aphrodisiac with a violent injection and taken out in front of Ryoko.Even though I know it's no good, my body seeks pleasure and cums ascension with a sorrowful cry! !