Yōko Itoigawa is the school librarian.
She was the President of the Classics Club whe she was a second year student. She is currently the school Librarian.
- Her husband is briefly shown in a semi-flashback on her age.
- Her daughter is also briefly shown during the aforementioned flashback.
|Main characters||Eru Chitanda • Hōtarō Oreki • Satoshi Fukube • Mayaka Ibara|
|Students||Ayako Kōchi • Fuyumi Irisu • Jirō Tanabe • Jun'ya Nakajō • Kaho Jūmonji • Koreyuki Tani • Kurako Eba • Masashi Tōgaito • Mayu Hongō • Misaki Sawakiguchi • Muneyoshi Kugayama • Shōko Yuasa • Tomohiro Haba • Yasukuni Yoshino|
|Other||Jun Sekitani • Haruna Anjō • Kayo Zenna • Masakiyo Ogi • Omichi • Rie Zenna • Tomoe Oreki • Yōko Itoigawa|