Anzu attends a preschool alongside her companions, the timid Koume and the quirky Hiiragi. Together they endeavor to persuade their supervisor, Tsuchida Naozumi, to fall for Anzu. Yet he is unmistakably drawn to the attractive Yamamoto Nanako, another preschool instructor who oversees the neighboring class. Despite Anzu"s persistent attempts to convince Tsuchida that they will wed when she matures, employing a variety of tactics. In contrast, Tsuchida wishes to secure an opportunity to court Yamamoto, and if that fails, to marry her today in a hopeful future.