En is already in high school, but she carries a memory that continues to haunt her: she never got the chance to speak one last time with Ishigaki Takashi, her ex-boyfriend from two years ago, who is younger than her. Now, Ishigaki has suddenly reappeared in her life, bringing back the memories and emotions she thought she had buried. Will their love rekindle from the ashes? And what if this time, it is Ishigaki who finds himself unable to make the first move?