Saku Hagita

Saku Hagita (萩田 朔) is one of the characters in the story and classmate of Naho's. He also gets a letter from his future self to help save Kakeru. With the help of Naho and his friends, they all want to save Naruse before his fate.

Personality
He is mostly seem as a calm and quiet person. He likes reading manga.

Relationships
Azusa Murasaka

Saku likes Azusa but denies it. Finally, in the future, he and Azusa are married.