シスコンお姉ちゃんと気にしない妹 (Series) favorite_border

[DeepL Translation - needs review] Volume 1 Introduction: There is no such thing as a sister who doesn't like her sister. All older sisters in this world love their younger sisters. I, "Shima Sakura," have a younger sister. A very, very cute little sister.

(Translator: DeepL)