Shiori Shiomiya (汐宮 栞 Shiomiya Shiori) is a very shy and reticent 17 year old bibliophile from Majima Academy and the fourth capture target in the series.
She doesn't speak to people because she's afraid to speak against them. When she does talk to a person, she accidentally fuses the words from the books that she has in her hands with the words she's about to say. Since her youth, she was not able to speak with other people. Also, she becomes very upset when people disrespect the library by disturbing others, or make fun of books to the point where she actually tells them to stop in a loud voice, although she still apologizes soon after for doing so.