Orange. Volume 2

The closer Kakeru and Naho become, the more she wishes to change the future where he is no longer there. But no matter what she does, the content of the letter remains the same...
One day, high school student Naho Takamiya... receives a letter from herself in the future. It says: «I don’t want you to repeat my mistakes». The letter accurately predicts all events and asks her to prevent a tragedy related to a boy named Kakeru Naruse.
For example, the letter asks Naho never to invite Kakeru to hang out after class, but she does not listen and invites Kakeru. During their walk, the boy’s mother commits suicide. According to the mysterious letter, Kakeru will also take his own life.
Kakeru and Naho grow closer, and the girl increasingly wants to change the future where Kakeru is no longer there.