DDNG-004 Female Body play Research Institute Vol.4

``I want to bring all women to their knees...'' Based on this belief, men have used women as research material.The theme this time is ``Will women who are subjected to pleasure torture surrender even their hearts?'' was! The victim is Riona, a female investigator who has been conducting an informal investigation due to the destruction of the research institute. He is caught in a trap during an investigation and receives various punishments. When shame and fear turn into pleasure, the female investigator turns into a sex slave and her body continues to convulse from the raging orgasm. Did he really give in to his heart?