Rina, who attends a certain famous women's college, is a genuine young lady whose grandfather is the founder of a major pharmacy chain that operates nationwide. At first, she was a little nervous, but as soon as the naughty play started, she let out a loud moaning voice as if all that had happened was a lie, and her elegant demeanor changed into an instinctive movement. A pure boxed girl wrapped in a hard shell, when the shell breaks, the pure lady transforms into an adult woman.
