Thorough development of "portio" hidden in the back of Chinami Ito's uterus & thrusting piston in the strongest position! Counseling Chinami-chan to find out her favorite position, carefully selecting more than 20 new positions and researching climax positions that are compatible with trial SEX! Next, experts have developed Chinami-chan's erogenous zone portio, which has not yet been developed, to the maximum sensitivity! If you touch the portio, you will be in a state that you will go away and hit the portio in the back of the uterus with the strongest position and make it cum until you faint!
