In our school class, Airi Sato was idolized and admired by everyone. To us, he was the object of admiration, and more than a few of us secretly harbored romantic feelings. But as socially invisible outcasts at the very bottom of the school caste system, we could never act on those emotions. As graduation drew near, seeing this as our last chance, I invited him to a BBQ along with my close friend Murata. Surprisingly, he agreed. We set to meet the following Sunday at Murata's house, which would be empty with his family away. This single step might just become the turning point that changes everything...