Shimatani Ka, a third-year office worker at a securities company, has been single for three years. Driven by an insurmountable desire to be intimate but lacking a partner, she decides to make her debut in adult videos! With only two past sexual experiences and little experience in intimacy, Ka's face stiffens with anxiety and tension as she faces her first shoot. As the male actor checks her sensuality, she inadvertently lets out moans, and her vagina becomes slick... She experiences her first orgasm, releasing erotic juices while being vigorously penetrated, her face displaying ecstasy as she repeatedly reaches climax!