This time, the one experiencing adult discipline is the beautiful black-haired Miku Aono , with cute Hitomi like a small animal. Her discipline is carried out by men with skilled sexual techniques, commonly known as "old men". First, deep throat training. Miku, who looks good in her uniform, is tied up with hemp rope, her frightened mouth is opened wide with fingers, and a huge cock is thrust into the back of her throat, and the sound of her loud sobbing fills the room. This is the prologue to the training that drives her into a crucible of pleasure, eventually causing her to repeatedly urinate and convulse, and even turning having her throat violated into pleasure, turning her into a milk-sucking doll...