Mistress Irena Mur fucks her sissy toy in a skirt with a big anal plug, stretching his ass wider for more serious training. She takes him in multiple positions — on his back, on all fours — pushing the plug all the way inside. Then Mistress orders her slave to bounce on her strapon. When he dares to slide off without permission, he immediately begs her not to punish him. He knows exactly how cruel Mistress Irena Mur can be when he fails.