Hiroto Suwa

Hiroto Suwa (須和 弘人 Suwa Hiroto) is one of the main 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 Kakeru before his fate. He is also the protagonist of Mirai, the story and movie that focus on his feelings towards Naho, as well as his actions that led up to the alternate timeline's future.