「彼」first love (Series) favorite_border

[DeepL Translation - needs review] Volume 1 Introduction: Hanashi goes to an all-girls school because she doesn't have to deal with boys, but on the bus to school, she has the worst encounter with Kiriya. She goes to a party for some reason, and after a few drinks, she finds herself in his room...! What will happen to their sweet and sad first love?

(Translator: DeepL)