Des:Hajime-kun? Its Horiuchi Hajime-kun, right? I heard a strangely familiar voice from the neighbors house where I went to say hello. That person was my tutor Ayaka when I was a student. I was briefly happy to be reunited with the person of my dreams, whom I had been in love with for the first time in a while, but I felt a little pain in my heart that Ayaka-sensei was getting married. Then, on the night when the moving work was finished, as I was thinking about Ayaka-sensei and was in agony, I heard the couples activities and Ayaka-senseis singing from the other side of the thin wall...