[DeepL Translation - needs review] Volume 1 Introduction: Suddenly they are forced to live together as sister and brother, both of whom have a sad past. Moeko is a junior high school student living in a seaside town, and one thing leads to another, and their relationship becomes strained. Despite (because of?) this situation, her father pulls her in as a foster child with an acquaintance. Her father decides to take in a child he knows as a foster child. Moeko is unaware of what is going on, ...
