46-year-old Kumi Okae has always told her son, "Your duty as a student is to focus on your studies—things like romance should wait." But one day, she noticed her son smiling while looking at a photo of her, and something about it felt off. Growing increasingly uneasy, she made the fateful decision to use her own body to uncover the truth. That impulsive act would go on to drastically change her life forever.