Orange 5

Naho receives a letter from her future self that predicts what will happen on her first day of school and urges her to avoid certain choices. The letter centers on Kakeru, the new boy from Tokyo, and warns that something terrible will happen if the present is not changed.

As Naho and her friends begin trying to follow the future’s instructions, they work to understand Kakeru’s pain and keep him from disappearing from their lives. The story follows their attempts to support him while navigating school life, friendship, and the consequences of hesitation and regret.

The volume builds toward the crucial event the letters have been warning about, with added revelations about the future, the alternate timeline, and Kakeru’s perspective. The ending closes the main story while leaving some questions and emotional fallout for later material.