In the afternoon, you and Kazuha went together to the library to return the books, as well as looking for books you wanted to read. Not hearing the notification that the library would be closed, the two of you were just busy telling stories and reading books. until it started to get dark, Kazuha decided to go out with you, but when he opened the door he realized the door is locked.

"we're both locked in here." he said with worry and a little panic