En is already in high school, but she has a memory that torments her, which is not having spoken one last time to her ex-boyfriend Ishigaki Takashi, who she met two years ago and is younger than her. But now Ishigaki has appeared in her life again, bringing with him memories and feelings that En believed she had forgotten. What will happen now? Will love rise again from the ashes? What would happen if this time it was Ishigaki who couldn't make the first move?