Orange: The Complete Collection is a romantic comedy manga series that will tug at your heartstrings with its central plot device about time travel and communication with a future self. Everyone has regrets in life. So who wouldn't take the chance to change the past if given the opportunity? When sixteen-year-old Takamiya Naho receives a mysterious letter, claiming to be from her twenty-seven-year-old self, her life is suddenly thrown into flux. The letter informs her that a new transfer student by the name of Naruse Kakeru will be joining her class, and to keep her eye on him. What is Naho to make of the letter's contents and its cryptic warning? This volume also includes a bonus story, "Haruiro Astronaut."