Poo is the final form of every food, it is also a manifestation of private life. And each bowels excretion has a different weight at similar volume amount.
Women sent us materials with them filming their own defecation and measuring weight of the poo and also compare it with things from everyday life such as rice balls, apple ect.
You can see the weight of poo clearly on the display of measuring instrument. Knowing the weight of beautiful girls poo is thrilling. (featuring 16 girls)