Chiharu, an honor student, secretly enjoys watching AVs featuring middle-aged male actors and indulging in fantasies. One day, she invites Kai, a middle-aged man she met on SNS, to her home. Watching Kai masturbate after seeing Chiharu's panty flash, she finds his ridiculous appearance amusing and starts teasing him, giving him fellatio, and using her feet, clad in white socks, to jerk him off until he ejaculates all over her. Since then, Chiharu has become addicted to engaging in lewd acts with middle-aged men…
