Why did a pure, country-bred girl choose the path of an "AV actress"? Nia Shirohana is a shockingly cute girl. With marshmallow-soft, G-cup breasts and a sweet voice that melts your heart. Is it just because we are old men? Her fragile transparency makes us long to protect her, leaving us completely smitten. Yet, she possesses a hidden, bold impulse, with moans like a cat. Her naked body is a resolution, staking everything from her twenty years of life. A fleeting and beautiful documentary of a pure and lovely girl blooming for the first time as a "woman".