The research theme of the seventh SOD Laboratory is "squirting. Three of the company's most sensitive female employees experience the other side of squirting in an endurance test that never ends, no matter how many times they blow! Taking into consideration the physical strength of the test subjects, a time limit of 30 minutes was set for each, and the latest machines were used for the hardcore, limit-breaking, and hellishly painful orgasms! Includes shocking experiments on the human body by a total of five people, including two researchers!
