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!