A series centered around middle-aged fetishists dressing innocent girls who've never worn bloomers before and filming them. This time, the lovely and cheerful Mitsuki, who dresses like a classy young lady, appears for the first time. She's never handled bloomers before, and though initially shocked by their erotic nature, she complies with the older man's requests. Starting off shy and reserved, she gradually reveals her sensual side while receiving a massage from him. Drawn to her transformation, he moves from masturbation to full sex, making her climax repeatedly. Her evolving arousal is a key highlight, creating a captivating blend of eroticism and innocence.