To relieve his middle-aged husband's sexual dissatisfaction, Yui is drawn into his scheme. The 24-year-old young wife is beautiful and virtuous, blessed with a voluptuous G-cup figure, yet inexperienced and modest by nature. Her husband devises a plan to have her taken by his acquaintances, and as Yui is tormented by his perverted desires, she gradually begins to awaken to lewd emotions. Her transformation and the shifting dynamics of her marriage are a must-see!