世々と海くんの図書館デート (Series) favorite_border

[DeepL Translation - needs review] Volume 1 Introduction: Sezu is a fox girl. She lives in the forest with her three favorite sisters. Every day she transforms into a girl in a sailor suit and goes to the library. She goes to the library to meet Umi, a boy whom she fell in love with at first sight. Today, as usual, while glancing at Umi-kun from the edge of the picture book, Umi-kun suddenly comes to her side and offers a folded piece of paper to Sezu. ......? <From elementary school interme...