Banri is the protagonist and is a freshman studying law in a private university in Tokyo. His hometown is in Shizuoka Prefecture, and he now lives alone in a small apartment. The day after his third-year high school graduation ceremony, he fell from a bridge, and now suffers from severe retrograde amnesia, unable to remember anything from before the accident. He missed the college entrance exam and one year of school because of his hospitalization. He later meets Kōko Kaga, and falls in love with her.
Banri's Spirit
Declaring himself to have died at 18 years of age, he is a being seeming to be Banri's spirit. He possesses his memories from his high school graduation and before. Without anybody noticing, he has followed after Banri and has been watching over things.