"AV filming experience is still limited..." Sae Mashiro, a newcomer AV actress, carries nervousness and tension into her first shoot, yet harbors a deeply instinctual eroticism. This special production captures her very first experiences. Though confused by terms like fleshlight and deep throat, her body naturally responds to the men's desires. A documentary-style work titled 'Sae Mashiro' depicting her initiation into the AV world. Witness her growth and the unfolding erotic story born from her first-time experiences.