Anzu, alongside her friends Koume and Hiiragi, attends kindergarten under the care of Tsuchida Naozumi. The trio embarks on a mission to help Anzu win Tsuchida's heart, despite his affections being directed towards the charming Yamamoto Nanako, a neighboring teacher. Anzu's playful attempts to secure a future with Tsuchida clash with his aspirations to court Yamamoto, leaving their romantic destinies uncertain.