The one who applied to appear in an adult video is a current female college student and tennis coach with a 100cm bust! Still excited, the production staff makes a surprise visit to the tennis court where she teaches. The sight of her shaking her huge breasts and swinging a racket is a masterpiece. The staff comes up with a plan to get the innocent girl to seduce a man and goes for it! A dull office worker, two high school girls, and finally a male actor fucks her hard, bringing out the restrained eroticism of this serious girl!