SDMU-238 Beautiful breasts, huge breasts, highly sensitive boobs all together! Featuring 21 performers!!! SOD female employees undergo sudden breast sensitivity tests during work hours! Checking size, softness, and sensitivity! Embarrassing breast exams m

A letter addressed to the company requested, 'Please tell us the average size and softness of Japanese women's breasts.' The production department decided to conduct a survey on size, softness, and sensitivity using SOD female employees as monitors in response to a serious research request from an obstetrician at a certain medical organization! A total of 21 participants! From sensitive small-breasted employees to super huge-breasted employees, they were squeezed and squeezed and squeezed to no end!