Kotoko Aihara, a high school girl who isn't that smart has to follow her father's decision after her father decides to live temporarily with his friend. She is surprised to learn that the boy who she falls in love with lives there as well.

At a high school entrance ceremony, high school student Kotoko Aihara, who isn't that smart, notices pretty boy Naoki Irie. She falls in love with him immediately. Kotoko initially doesn't express her feelings to him, but finally has a chance to tell him how she feels. Unfortunately, Naoki turns Kotoko down, saying "I don't like dumb women". One day, Kotoko Aihara's house is severely damaged by a meteor. Until the house is rebuilt, Kotoko Aihara and her father decide to live with her father's friend. When Kotoko Aihara moves to her new temporary house, she is surprised to learn that Naoki Irie lives there as well.