Mayu works at an imported goods store in Daikanyama. She comes across as a well-bred, classy young lady, evident from her appearance and demeanor. Her reason for applying? A bold statement: "I'm interested in being watched while having sex." Though she's had five partners, she secretly experienced group sex during a trip with friends—and has been hooked ever since. When the moment comes, her shyness overwhelms her, revealing a genuinely pure side that leaves a strong impression.