Noboru's mother. Fusako is a widowed woman who runs a luxury goods import store called Rex within the town of Yokohama, Japan. After meeting Ryuji Tsukazaki during a ship tour, Fusako falls in love. Eventually Ryuji leaves once again for sea, and Fusako vows that she will not be a “harbor whore” and does her best to not let Ryuji's departure affect her. In December of the same year, Ryuji returns from sea and proposes to Fusako. Fusako accepts and fully invites Ryuji into her and Noboru's life.