What are the resting length and glans diameter? What about the stimulation response? A female medical student knocks on the door of the unknown, using her beloved as an experiment!
| Actor | Role |
|---|---|
| SSumiko IgarashiNot listed | Not listed |
| MMasumi YamataniNot listed | Not listed |
| Not listed | |
| KKenji MiyaseNot listed | Not listed |
| Not listed | |
| Not listed | |
| KKimiko MineNot listed | Not listed |