Mata Ashita, Ano Seki de.

Maho, an office worker, enjoys a simple pleasure in reading books at the library until closing time. One day, she meets a high school student who is crying while reading her favorite book, and before she knows it, they have been writing to each other every day... (Source: Ichijinsha Plus, translated) Note: Originally published in Comic Yuri-Hime June 2023 issue.