CNBD-118 Hands behind the back And Separate leg Binding

Description: The girl was wearing a student sports uniform.her hands were tied behind her, her ankles and thighs were tied together, and her entire body was suspended.she tried to struggle to loosen her grip, but how could it be.she could only groan helplessly.then the trainer  tickled her armpits, feet, and thighs.she moaned even harder with mouthful ball.