20-year-old Kansai native newcomer actress Sumire Hasumi makes her AV debut. She shows hesitation and nervousness during her first undressing, first blowjob, first penetration. However, as she experiences the male actor's skilled techniques, her body gradually responds, honestly expressing her sensations. Overcoming the challenges of first-time experiences, the film highlights her transformation into a full-fledged AV actress. A compelling work showcasing her innocent expressions and genuine reactions to new sensations.