"Licking is humiliating..." Mei, who has a strong personality, stubbornly refused to give a blowjob even during sex with her husband. One day, in order to escape from the cramped environment of being a full-time housewife, Mei starts working as a "secretary" at a certain company. There, what awaited her was a job beyond Mei's imagination, such as "licking entertainment" for clients and "licking service" in the president's office. However, as Mei began to feel pleasure from licking, she became a "licking slave" who even licked men's anuses...