Prestige exclusive actress Mai Nanashima is led to the ultimate state of pleasure: a trance! At the beginning of her debut, Nanashima was so nervous that her hands would tremble when the camera was pointed at her. As she continues to evolve with each filming, we try a sexual experiment that will bring her unprecedented pleasure! The experiment is "Extreme Teasing, Mixed-Gender Threesome." Just when you think she's about to have one-on-one sex with the waiting male actor, Nanashima's hands and feet are restrained without a word. After that, she is relentlessly caressed, deliberately avoiding her nipples and clitoris, and her eyes gradually begin to water as she begs for pleasure. Then, suddenly, AV actress Mirai Haruhara bursts in! She licks a dick right in front of her, and engages in intense sex that shows off the insertion point, bringing Nanashima's mind to the brink of collapse. After being teased so much, Nanashima's body becomes hypersensitive, and when a dick finally penetrates her soaking wet pussy, she climaxes like never before! The four experiments carefully selected for Mai Nanashima will cause numerous convulsions and orgasms, imprinting the ultimate pleasure into her body!