After finishing a shoot one day, popular actress Nao Jinguji said... "Even in normal shoots, it's just the same old sex. I'm getting bored of that..." [I've been studying positions!] A male actor is called in on short notice and put into practice! In her free time, she snacks on the AD!? She takes the rubbing dick of her soft body to the best position in her uterus... The new positions have the men writhing in unknown pleasure! The sudden cum shot reaches deep inside, doubling the pleasure! "The angle that feels best for you... right here?" Her sexual Kokoro is unstoppable. The research into orgasm-developing positions is not over yet...