Idol actor：Updating
Director：Updating
Categories：Censored
Area：Japan
Year：2025
Introduction：Nipple sensitivity surveys are conducted by the Nipple Sensitivity Research Center, an institution that conducts research every day to treat women suffering from nipple insensitivity. This episode follows an investigator at this facility and records a day in the life of their research. A sensitivity meter is used to record the body temperature, wetness, and number of orgasms of the female patients who come in one after another for treatment. Many women experience multiple orgasms through nipple stimulation after receiving sensitivity-enhancing treatment. The unknown world of nipple pleasure research.