Because of the alumni association, I was returning home to a remote hometown. At the park of memories, I joined my best friend and my first love, Rio, who became my best friend's wife, and headed for the venue. I felt nostalgia and loneliness for Rio, who had become someone else's. Rio seemed to have the same feelings, and after the first party, he invited me to the house and confessed that his best friend was having an affair. With an excuse to save Rio, who is sad, we put our lips on top of each other to regain those days ...