With her brother's company on the verge of bankruptcy, Natsuki had no choice but to take desperate action. Pushed by her brother's words that he had no time to visit the toilet, she barely made it in time—unfortunately, she ended up suffering a severe bowel incontinence accident at his house. To strengthen her mind, she began practicing zazen meditation at a Zen temple, but the training was harsh, and access to the restroom was strictly forbidden. However, inside the solemn abbot's chamber, a sudden, intense foul stench began to spread, and Natsuki-sama abruptly began confessing. Everyone was stunned by her sudden admission, as she recounted her deeply embarrassing experience of fecal incontinence. Her story was shockingly unbearable to hear. After immense struggle, she finally reached the restroom—yet it was too late. Inside Natsuki-sama's underwear lay an utterly grotesque mass...