Character
Satoyuki Shirai
η½δΊιιͺ
Character
Another librarian, who works closely with [Hayasemaru](https://anilist.co/character/296280/Hayasemaru-Sayaka). Originally physically weak, he bulked up in order to better respond to threats and complaints towards the library and his co-workers. His assertiveness is often utilized to deal with uncooperative patrons.
