Mirella (1,70m - 63kg // 5,57 ft - 138,89) riding Jack (1,70m - 60kg // 5,57 ft - 132,27 lbs). The Mistress Mirella is not sure that her slave Jack will have physichal resistence to suport a long ride, so she will test her first on the room with 10 minutes long that will be the lenght of the distance of the way outside where she wants to ride him. Jack must be prove her strengh and physichal resistence.