Popular actress Sakino Oto, who made her AV debut at 19, is portrayed in this month-long, fully immersive documentary. Standing at just 143cm with a petite, slender frame and an angelic, adorable smile, she has captivated countless men. Now 21, she has appeared in over 20 works and enjoyed a successful career so far. However, with the rise of new actresses, she begins questioning her own worth. Reevaluating her path as an AV performer, she realizes she must develop a unique edge—mastering new techniques to pleasure men like never before. Determined to evolve, she begins working in the sex industry, training her erotic skills at a renowned establishment specializing in mat play and lesbian brothels. There, she discovers pleasures she's never experienced. This intimate documentary follows Sakino Oto, a woman who loves sex more than anyone, as she risks retirement to redefine her identity and future as an AV actress.