Nanami Shinjo

A girl who attends a local girls' high school. She met the protagonist when she first enrolled, and their relationship has continued ever since. She loves swimming more than anything and is the captain of the swimming club at school. Her powerful swimming is unimaginable given her small physique, and she is said to be one of the best in the country. There are also rumors that she is attracting attention from all quarters as an Olympic athlete... but she doesn't seem to care much about it, saying it's just a rumor.