Do you remember those guys in junior high school? Who is exchanging notes with you in class, and who is walking shoulder to shoulder with you? How is she who was your deskmate now? She has the brightest eyes and hearty laugh in the world. Do you still remember the stories that were left behind when you were young and frivolous? If you had a time machine, would you be willing to go against the flow of time and experience youth without regrets again?