Rinrinko works part-time as an office worker. Rinrinko, who gives off a plain impression, was even ignored by young employees. At home, her husband showed no interest in her either. It was masturbation that filled the daily loneliness. Rinrinko had an unusually strong sex drive. One day, while drinking at an izakaya with a colleague, she heard a young man say, 'If you give me 30,000 yen, I'll even sleep with a mature woman.' Despite being thought of as a suspicious old lady, Rinrinko exchanged contact information with him. And so, they actually ended up meeting. She desperately suppressed her nervousness and excitement, gripping the tea-colored envelope containing 30,000 yen...
