"Hajime-kun? At the house next door where I went to say hello to the move, I heard a strangely familiar voice. That person was my tutor when I was a student, Ayaka-sensei. For a short time, I was happy to see the person I had a crush on again after a long time, but I was a little heartbroken that Ayaka-sensei was married. And that night, when the moving work was cleared up, I was in agony thinking about Ayaka-sensei, and I heard the couple's activities and Ayaka-sensei's voice from the other side of the thin wall.