One day, the Shoda household's toilet suddenly broke down and became unusable. Chisato, the mother, immediately called a professional to repair it, but by that time she was already suffering from an urge to urinate that she could no longer hold. Chisato thought she could just hold it in until the repairs were finished, but the unexpectedly long construction finally took her patience to its limits. Finally, Chisato ran out into the garden and pulled down her pants, only to be peeked on by her son...