The pathetic little slave is trembling and nervous, he's utterly humiliated in the presence of the beautiful tall Lady!
He is to clean her leather over-knee boots with his tongue, obviously the Goddess is disappointed with his laziness and she has to motivate him with stinging face-slaps. As a reward he receives her divine saliva.
Training deluxe, with height comparison, spitting, face-slaps and extreme verbal humiliation - English language