Mai Ohira, 51 years old, married for 25 years with two children. She has been working in administrative duties since graduating from college and will soon complete 30 years of service. Enjoying a leisurely life with hobbies like horseback riding and piano, she continues to work due to her inherent romantic nature and excessive sexual desire. "The most passionate sex happens in the first six months of a relationship," she says, always seeking excitement outside her home. Tired of office romances, she follows her feminine instincts to find new thrills, pouring all her passion into fleeting pleasures. Witness the ecstasy of this fifty-year-old wife.