My innocent and slender girlfriend, Hinano Iori, was corrupted by an underground doctor's illegal aphrodisiacs during sex. (DASS-212)

The day before his date with his girlfriend Hinano, Hinano caught a cold and had to cancel. When Hinano went to a nearby clinic, the doctor gave her a suspicious drug called an "experimental drug," but it was actually an illegal aphrodisiac secretly concocted by a mad scientist doctor…