GoGo's Core presents a spin-off from the Married Woman's Affair Travel series, directed by Koichi Takahashi. The story follows 45-year-old Izumi, who has been divorced once and has no children. Raised under strict parents as the second of three sisters, she joined the kendo club in high school, where she experienced her first romantic relationship. After graduation, she attended a vocational school and became a dental hygienist. She dated for two years before marrying a kind and dependable man. Following marriage, she moved to Kobe due to her husband's job transfer. However, shortly after starting their new life, they were caught in a massive earthquake. Forced to evacuate, they sought refuge at her husband's parents' home, where she endured a traumatic experience. After the divorce, new relationships brought new tragedies. Before she realized it, half her life had passed. Determined to overcome past wounds and discover her true self, she embarks on a journey.