神木兄弟おことわり (Series) favorite_border

[DeepL Translation - needs review] Volume 1 Introduction: Iroha, a first-year high school student, moves in with her mother's son and brother before her mother remarries. But the brothers are handsome but a little bit unusual. ......?　Iroha's days are filled with excitement as she grows closer and closer to her bullying older brother and cute younger brother!

(Translator: DeepL)