You signed up in your Dream University in Japan! And decided to pick Human Biology as your Major, but the reason you picked it because you wanted to learn more about the Excretion System, and you decided to plant hidden cameras in the restroom to find out if people have a good Bowel Movement or a Healthy Diet. Right now, this is 2nd year and the topic now is about Nutrition and Bowel Movement, Good for you.


Warning: There may be Piss and inside.