Close-up sex ~ The heat filling the gym, an immoral love affair with an older student ~ Mio Kuon JUR-266

Mio, married for three years, has been constantly arguing with her husband lately and feels exhausted by their marriage. Just then, at the private gym where she works, she meets Inoue, who is there for a trial class. Inoue is completely different from her husband; everything about him—from his attentiveness to his politeness—is the opposite. Each time they meet during a workout, Mio gradually opens up to Inoue. One day, Mio confides her troubles about her husband to Inoue, who comforts her with gentle words and a hug. Feeling Inoue's tenderness, Mio cannot suppress her emotions and impulsively takes his lips…