After receiving the news of my father's remarriage, I reluctantly returned to my hometown. Although I returned to my parents' house, I felt awkward with my father's new wife and her stepchildren, so I left the house and took a walk around my hometown. Then, by chance, I passed someone. It was my senior from my school days, my first love, Anzu- An. It seemed that she also recognized me, and we were reminiscing about old times, happy to see each other again after several years. And since An-san's husband, Kazuya, also wanted to meet me, things went smoothly and I ended up staying at the Komatsu house for three days...