He never could have imagined what the cure―all drug was made of!Recognized for his hard work, Toya Watari has been promoted to work in the No. 1 Research Lab, where rumor has it that development is underway for a cure―all drug. Toya is nervous and full of anticipation as he goes to his new section, finding a vast underground laboratory led by a young and beautiful director by the name of Saku Kamishiro.A little misunderstanding occurs, and Toya finds himself helping with the extraction of the secret ingredient?taken from Saku's body. Through trial and error, they find a way to collect samples efficiently!!It's no different from regular intercourse...!!**But, Toya and Saku are perfectly serious.**This is the first installment in a titillating comedy of pure souls!