Kokoro Toshokan

Aruto

Main

The middle sister, Aruto is strong-willed, an excellent cook and has the ability to sleep anywhere. She is a talented writer and illustrator. Unknown to Kokoro, she has published several novels under the pen-name Himemiya Kirin....

Iina

Main

The eldest sister, Iina has an overactive imagination, is good with computers and likes taking photographs, especially of Kokoro. Her room is decorated with many pictures of Kokoro, including a poster sized one. She adores her youngest sister, perhaps a l...

Kokoro

Supporting

Kokoro (ココロ) is the main conductor of the Sea Train, Puffing Tom, at the station just outside of Water 7. She has a granddaughter named Chimney, who accompanies her everywhere. (Source: One Piece Wiki)...

Aigame Kameyan

Supporting

Funny Tortoise is notorious thief and master of disguise who disguises himself as Uezawa, Kokoro, Kaji and as a policewoman by the name of Itou to steal a valuable locked book (which turns out to be Jordis diary) from the library. He travels in a hot-air ...

Asakura Hibiki

Supporting

Asakura is in charge of Kokoro and June's librarian training....

Fukami Misato

Supporting

A lonely rich girl Kokoro encounters while on holiday. She suffers from the same unspecified sickness her late mother had. Though she is getting better, her over-protective father and strict butler do not allow her to leave the house or socialise, therefo...

Gang Leader

Supporting

Leader of a motorcycle riding group who helps Kokoro in some situations....

Inoue Hikari

Supporting

Hikari is a young girl who was sent to Kokoro Library to train as a special-case librarian while her mother was in hospital. At first she appears introverted and refuses to speak or do any work. At one point she even lashes out at Kokoro for looking at a ...

Inoue Akari

Supporting

Hikari's mother. A former patient in a war hospital. She bears a strong resemblance to her daughter, something further emphasised by the same voice actress voicing both characters....

July

Supporting

An android who sacrifices herself so that her power source can be used to blow up a bridge, halting enemy advance. She does not appear nearly as human as June, a later model, and has a more mechanised voice. She wishes that in the future, her kind will be...

June

Supporting

June is a long-haired brunette with bright green eyes wearing a blue librarian uniform that warmly greets Kokoro as her roommate when she is sent on a librarian training course. June explains that she is a comparoid -- a type of android that has parallels...

Kajihara Inspector

Supporting

Nicknamed Kaji by other officers. He is sent by Interpol to track the Funny Tortoise Thief and arrives at Kokoro Library which is being targeted. He is accompanied by a number of female officers known as Kaji's Angels. He is constantly seen smoking a ciga...

Momochi Marie

Supporting

The town's beautiful female major. She travels in an expensive chauffer-driven black car. She plans to close down Kokoro Library because its under-utilization convinces her that it is more of a burden on the taxpayers than anything. It is not that outrage...

Momochi Sergeant

Supporting

Marie's father. He was stationed with Uezawa, Jordi, Kaji and Kameyan. He is a good-natured, kindly man....

Okajima Akaha

Supporting

A friend of Kokoro's and one of Kokoro Library's customers. They met when Kokoro helped her find her way home. She is a relative of Misato and is short, helpful and soft-spoken. She lives in a villa in Kokoro's town and likes squirrels and reading....

Okajima Midori

Supporting

A customer of Kokoro library. She is Akaha's mother....

Saeki Sarara

Supporting

Aruto's editor. She works for Celery Library's editorial department. She assists Aruto in hiding Himemiya Kirin's identity from Kokoro and Iina....

San Jordi

Supporting

The sisters' late father. A member of the third squad. He lost his family in a raid. He speaks in a very formal manner which causes good-natured teasing among his comrades. He is very caring and helpful. He feels it is his duty to protect the people of hi...

Shindou Kokoro

Supporting

Kokoro, Aruto and Iina's late mother. She was a nurse at a hospital in a war zone, where she met Jordi. She cared for Akari, a child at the time, and was often found in the library, looking for books to read to her young patient. She is very similar in ap...

The Farmer

Supporting

An old man who is often seen riding a tractor. He gives Kokoro and the others a free ride when they need to....

Uezawa

Supporting

The younger Uwezawa's father. Was a driver for hire before the war and dislikes driving weapons for the military.He was stationed with Momochi, Jordi, Kaji and Kameyan. When the war ends, he returns to his old job....

Uezawa Jun

Supporting

The delivery man who delivers new books to Kokoro Library in his white van. The sisters take advantage of his huge crush on Iina so he will do small jobs for them such as handing out flyers. He is something of a daydreamer and a romantic but not very skil...