A complete record of girls growing up in an isolated space. At first, the girls can't hide their confusion, but the pleasure centers become hypersensitive to the many sexual acts that take place in an inorganic living space that is completely different from their daily lives, and they turn into lewds seeking deeper pleasure. By living a life with minimal communication other than sex, it is a must-see for a normal girl to transform into a girl who specializes in lewdness!
