The devilish queen Yuzu-sama, who blames the M-man with an innocent smile, trains the M-man who wants to be a human toilet. The M-man is timid and behaves suspiciously, and cannot even greet properly, so Yuzu-sama slaps him. Once he has gathered his composure, she whips him. She covers his nose and mouth with her big butt and sits on his face to control his breathing. As the first step to becoming a toilet, Yuzu-sama feeds him food that she has chewed by mouth. Salad, pudding, cake... Of course, she makes him eat all the liquid that comes out of Yuzu-sama, including saliva, snot, and phlegm. To finish, she makes him drink her urine as a urinal. This is the final stage as a human toilet. First, she blends a large amount of urine into a container and makes him drink it. Yuzu-sama excretes the long-awaited gold on the M-man's body. Irritated by the M-man eating the gold little by little, Yuzu-sama urges him to pick it up with chopsticks and eat it.