在高中的入学典礼中,一年F班的相原琴子(未来穗香 饰)一直偷偷暗恋着一年A班的入江直树(古川雄辉 饰)。在一天晚上收音机说将会有流星雨许愿后,终于鼓起勇气,写了情书向直树告白。不料却换来直树一句 “我讨厌笨女人” 的无情的拒绝。并且被拒事情让全班同学都知道,让她非常难过 。打算从此忘记直树的琴子,有一天新建的家却因为被流星砸到而毁。于是只好寄住在父亲相原重雄学生时代的朋友家。没想到,父亲朋友竟然就是直树的父亲。这就意味着琴子要开始和直树共处一家。琴子和直树这对冤家,还有对直树抱有强烈的嫉妒心,一心一意喜欢琴子的池泽金之助(山田裕贵 饰),到底能上演一段如何爆笑的青春之歌呢?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 an earthquake. 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.