思春期ちゃんのしつけかた (Series) favorite_border

[DeepL Translation - needs review] Volume 1 Introduction: I showed an embarrassing secret to a boy I've been thinking about!　And the relationship suddenly changes from classmates to siblings-in-law!　Kanon Iijima, who has declared that she will be his domestic girlfriend, and Kosuke Shiratori, who is determined to remain a brother-in-law and sister-in-law. The first volume of this adolescent love comedy is full-blown, and you can't stop grinning at their close-cropped love!

(Translator: DeepL)