"She's so serious at work!" Trapped in her new home in the sweltering heat with a respected senior colleague, the innocent office lady's hidden sex toy is discovered. From shameful masturbation to begging for internal ejaculation, she degenerates into a sweaty, confined space for sex. (Aizawa Miyu NACT-163)

During her move into her new home, an unexpected situation traps the innocent office lady, Aizawa Miyu, and her senior colleague in a sweltering room. In the sweat-soaked, sweltering atmosphere, an accident leads to her senior colleague discovering a large collection of sex toys hidden in a cardboard box. "You're so serious at work... Hey, give me a little demonstration with these," he maliciously pressures her. Miyu's secret sexual fetishes are revealed in this confined space with nowhere to escape. Initially, she feels ashamed and refuses, but under the stimulation of the stimulating toys and her senior colleague's skillful caresses, she loses her senses and unknowingly releases her instincts... In the sweltering heat, Miyu succumbs to her desires, sweating profusely, until she actively begs for internal ejaculation. This is an extreme documentary of transgression in a confined space!