An-san works as a secretary to the president of a certain famous company. In her solemn and busy days, she has no time to find a boyfriend, and her sexual desire just keeps building up… Finally, she finds a job posting for a sugar daddy on SNS, and decides that this is the only way to let out some steam! She applies. Although she seems to be a ladylike girl, as she is skillfully teased by the old man, her sexual desire gradually reaches its peak, and she suddenly transforms into a ‘simple erotic female’…!