Shiho Yonaga, a 30-year-old woman who teaches calligraphy to children at a municipal calligraphy class. She has been married for four years but has no children. It's been three years since she had sex after marriage. Her daily routine involves watching AV and using a vibrator for masturbation. When the vibrator is handed to her as filming begins, she smiles happily. She starts masturbating with bold M-spread legs, and after reaching orgasm once, she films a sex scene with an actor. Despite her meek appearance, she is very proactive about sex. She eagerly takes the penis into her cheek, swallowing it deep into her throat on her own. Eventually, when she finally gets the long-awaited hard penis inserted, she becomes intoxicated with pleasure that she couldn't experience from masturbation alone…
