[DeepL Translation - needs review] Volume 1 Introduction: Nagi Unno, a sophomore in high school who was mistaken for a baby and now attends a prestigious private school. One day, she runs into Erika Amano, a very young high school girl who is on her way to meet her daughter-in-law, and half-heartedly asks her to pretend to be her boyfriend. However, they had no way of knowing this at the time. Erika is a child who was mistaken for Nagi, and Nagi is Erika's ex-wife. ...... The story begins wi...
