Main characters ; : (anime) :Kyōtarō is a second-year student majoring in
humanities. He is a
bookworm, and is often seen reading a book in public. He was originally the sole member of the Library Club. Kyōtarō likes to help others and is a kind, collected person. He is the object of affection for most of the girls in his club and doesn't seem aware until Tsugumi's confession and noticing the other girl's affections. ; : (PC),
Madoka Yonezawa (anime) :Tsugumi is a girl with long reddish brown hair tied in twintails, whom Kyōtarō encounters at the train station. She later becomes the official leader of the Library Club. She is good at sewing and cooking. Tsugumi makes it her job to make lunch for the others every day. She has feelings for Kyōtarō and confesses to him in episode 10. ; : (PC),
Yuka Saitō (anime) :Tamamo is a girl with very long black hair tied into a ponytail, and is Tsugumi's best friend. She becomes a member of the Library Club. She is the type who gets jealous easily. Tamamo is quite independent, as she lives alone in a luxury apartment, and has high practical skills. She develops feelings for Kyōtarō after he helps her overcome a need to work and she sees his kind side. ; : (PC),
Nozomi Yamamoto (anime) :Senri is a girl with short, pretty lilac-colored hair. She becomes a member of the Library Club. Most of the time, she is expressionless, and seems to have a cool attitude. Senri is a talented singer, and at one time, she won a national contest. She enjoys crossword puzzles, though she is not necessarily very good at it. She develops feelings for Kyōtarō when he persuades her to make her own path. ; : (PC),
Eri Sendai (anime) :Kana is a girl with long, wavy blonde hair with a white Alice band, and is a member of the Library Club. She has a bright, polite personality. She has a part time job as a waitress. Kana has a mild
allergy to cats, so she cannot come into close contact with one. She develops feelings for Kyōtarō after he advises her to truly be herself. ; : (PC),
Atsumi Tanezaki (anime) :Nagi is a girl with short reddish hair, tied into twintails. She is a member of the Library Committee, not a member of the Library Club. She lives next door to Kyōtarō, making them next door neighbors. It is later revealed that she is Kyōtarō's half-sister, from whom he was separated many years prior; they were born from the same father, but different mothers. Despite initial attempts to impede him on being a Shepherd, she shows that she truly cares for him.
Secondary characters ; : (PC),
Showtaro Morikubo (anime) :Ikkei is Kyōtarō's classmate and best friend, who joins the Library Club. He used to be part of the karate club, but had to quit because of a foot injury. He is aware that all the girls prefer Kyōtarō and is jealous of it. Nonetheless, he is a good friend to Kyōtarō and is pleased the club has a good effect on him. ; : (PC),
Saki Nakajima (anime) :Maho is a girl with long white hair, and is the student council president. She is often trying to get Kyōtarō to join the student council, and is often seen blushing when with him, suggesting that she has feelings for Kyōtarō. ; : :Miyu is a girl with long pink hair. She is a member of the broadcasting unit and drama club. ; : (PC), Miyu Kashiwagi (anime) :Sayumi is a short girl with long, light blue hair. She wears a hat at all times, which she slams on the floor whenever she's angry. She is shown to be fond of
first-person shooter games. ; : (PC), Kei Mizusawa (anime) :Aoi is a girl with long blue hair in a low ponytail. She is the student council vice president. ; : (PC),
Yō Taichi (anime) :Sayori is the sickly younger sister of Tsugumi. Despite being ill, she has a bright, positive personality, like her sister. ; : (PC), Satoshi Tsuruoka (anime) :Gizaemon or as he is called Giza, is a fat, male cat with a black and white coat. He is seemingly a stray cat that wandered into the school library and is often seen hanging out with the club members. He is particularly close to Takamine who is often seen holding him. He is very perverted, as he likes to poke fun at Kana's small bust and seems interested in well-endowed girls like Kodachi. ; :The shepherd is well known throughout the school, and is rumored to appear in front of those who are working hard, and grant wishes. ; : (PC),
Taiten Kusunoki (anime) :Nanai is the man whom Kakei met in his childhood, and was the one who gave him the way to the magic library. In the present day, he is Kodachi's supervisor, and though he initially didn't approve her acts of indirectly forming the library club for Kakei, he comes to see they had a good effect on him. He is later revealed to be the biological father of both Kyōtarō and Kodachi.
Hōkago Shippo Days ; :The protagonist of the side story, Kei is a cat lover. ; : :Nozomi is a girl with long light pink hair, she is Kei's childhood friend and lives in the same apartment as him. ; : :Sakuya is a girl with long brown hair, and is also a childhood friend of Kei's. She has a very straightforward and honest personality. Sakuya is good when it comes to housework. ==Development and release==