[DeepL Translation - needs review] Volume 1 Introduction: Sumiko Kiyota is a neat, serious, and ordinary high school girl. One day, while eating lunch, Yuki Shirakawa, the most beautiful girl in school, bites her bread. After that day, the two girls quickly become close! They borrow each other's gym clothes, play under each other's umbrellas, and the fastidious Ms. Kiyota is subjected to one ordeal after another. Is it possible that Mr. Shirakawa is trying to dirty me? Ms. Kiyota's fantasies...
