"I've always been sexually frustrated," says 42-year-old Sakurai Yuna. She's been married for 17 years and is the mother of one child. For a long time, their relationship had been stagnant. While she was living a frustrating life, her life took a sudden turn when she started helping out at a bar run by an acquaintance. With her natural sex appeal and a tall figure over 170cm, she became a popular bartender, and customers started inviting her in one after another... Finally, she began her long-awaited life of infidelity...