Ultra-sensitive fitness instructor Aya Konaumi enthusiastically tempts her submissive adult trainees. Flaunting her prized big ass in flexible poses, she has them copy her form while keeping their eyes glued to her body. Hands-on thigh-sex lessons escalate into face-sitting squats that press her huge ass down on their faces. Her shamelessly seductive coaching delivers results, and the overwhelming curves peeking from her workout clothes are impossible to ignore.