｢ひとり暮らしをしたい｣と入江家を出てしまった直樹。琴子は何とか直樹のバイト先を突き止め、尾行を開始! ところが、何と彼はライバルである裕子の家へ入っていってしまったのだ!! 傷心の琴子はなおさら直樹のことを好きだと気づいてしまうが、素直に彼に会うことができない。そんな時、直樹が琴子の前に現れて......!? Naoki leaves the Irie household saying he wants to "live alone". Kotoko manages to figure out the location of the part-time job Naoki works at, and follows after him! But then she sees that he enters her love rival Yuuko's home! Her heart broken, Kotoko realizes even more that she loves Naoki, but isn't able to make herself meet him. In such situation, Naoki suddenly appears before Kotoko and...!?