Female college students and office ladies are making waves on a popular resale social media platform by selling used panties as a slightly risqué part-time job, aiming to earn easy money. While the general rule is no physical contact, even high-class girls are joining in casually. However, these beautiful girls are in for a surprise—through persistent negotiation, they're about to learn the hard way that "life isn't that easy," taught through explicit, adult experiences.