Hidden away on a remote mountaintop, the Kokoro Library struggles to attract many visitors. Nevertheless, it is the home of sisters Iina, Aruto, and Kokoro, who consider it their mission to keep the library running in their parents' stead. Kokoro has long dreamed of becoming a librarian at the library with the same name as her, and tries her best to keep up with her older sisters.
Due to the lack of patrons, the girls mainly spend their time sipping tea, chatting, and reading. However, as the number of mysterious visitors progressively increases, Kokoro begins to learn about the strange history of Kokoro Library—a place where small miracles seem to blossom.+ More
Characters & Voice Actors

Aruto
Main
Iina
Main
Kokoro
Main
Aigame, Kameyan
Supporting
Asakura, Hibiki
Supporting
Fukami, Misato
Supporting
Gang Leader
Supporting
Hoshino, Kaede
Supporting
Inoue, Hikari
Supporting
Inoue, Akari
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