A documentary-style work following Kashii Tsumugi's journey up to her AV debut. With a personality that genuinely loves sex and a strong curiosity about the adult video industry, she decided to debut out of pure interest. During filming, she remained relaxed and completely unfazed, maintaining a fully erect penis throughout and reaching ejaculation smoothly. Each time her anal opening was penetrated by a thick cock, she squirted massive amounts of fluid, unleashing an explosion of erotic expression. Witness the boldest, most uninhibited AV debut you've ever seen.