夏目 宗一郎

The protagonist, who died before the beginning of the story. He subsequently became a Spectator. A goofy yet loyal man who tries his hardest. He's quick to shout and displays his emotions openly. He fears no risk for the sake of saving the four friends he loves. He opposes and hates Mamiya.

Although he died at 17, he has the appearance of a 23 year old that his younger self wanted to be like.