On the worst day of her life, 20-year-old Hirose Sakura received her greatest treasure that very same day. Fifteen years later, her precious son Toki became a high school student, and the two of them lived simple but happy days together. One day, Toki brings home his girlfriend, Kanae, who looks just like Sakura's beloved Mone and even carries the scent of golden olive, which holds memories for both of them…!? The peaceful days of this parent and child begin to slowly change. From Sakura to Toki, what will become of the love that has been passed down through two generations…!?