Ren is a book clerk who works hard to succeed the bookstore in her parents' home. One day, when she got a mysterious book at work, she was taken to another world! The way to return is to live deeply with people in this world. To that end, Ren, who was about to start wor,k has come to talk about whether to open a bookstore. Ren decides to start a bookstore from scratch, but...?! A bookstore clerk who loves books, a different world work fantasy, a long-awaited comicalization!