Tatsuji Chibiki

&nbsp Tatsuji Chibiki is a librarian at Yomiyama North Middle School. 26 years ago, in 1972, he is a homeroom teacher for the 9th Grade Class 3.

Personality
In the anime, Kouichi Sakakibara and Reiko Mikami describe him as "The Lord of the Library"

Appearance
He is an old man that has white hair that pass his shoulder and wear spectacles.He has shorter hair in the manga.