A G-cup Substitute Player!? When A Girl From The Athletic Softball Club Joins A Neighborhood Baseball Team Full Of Middle-aged Guys, The Harsh Training And Doting Treatment—way Beyond The Bounds Of Sexual Harassment—awaken Her Hidden Pervert Side! She’s Been Suddenly Converted Into This Season’s “sex Toy” Benchwarmer!! Yuka Chiba

Yuka joins the neighborhood baseball team to replace her father, who threw out his back. A star of the softball club, Yuka scoffs, thinking, 'Against old guys, this'll be a breeze,' but the coach, excited by her big boobs and ass, takes advantage of her competitive spirit—since she's not used to men—and starts sexually harassing her! Yuka accidentally gets turned on by the old man's cock techniques, and the 'hazing' escalates to things like swinging a bat with a fixed vibrator and core training with a thrusting dildo. Eventually, to deepen her bonds with her old teammates...