四つ子ぐらし 10 四つ子記者と七ふしぎのナゾ

[DeepL Translation - needs review] Volume 1 Introduction: I, Miyabi Mifu, am a sixth grader in elementary school. For twelve years I thought I was a sixth grader in elementary school ......, all alone, with no parents or relatives! Then one day, I found out that I was a quadruplet. ！！！！ They were three girls with exactly the same face and voice: Ichihana, Nitori, and Yotsuki. Each of us grew up alone in different places, but now the four of us are going to live together under one roof. Howev...