50-year-old Machiko Kawahara says she finds fulfillment in life through playing mothers' volleyball. Teammates affectionately call her "Kawaman," and her charming personality instantly makes her seem like a lovable character. It was through her mothers' volleyball team that she met her current affair partner, with whom she continues a secret relationship. Surprisingly, she admits with a sly smile that this affair is actually her true source of joy. The turning point came after watching a mature woman's adult video in a love hotel. Deeply impacted by that experience, she decided to make her debut in the adult industry.