Despite the hostile rivalry between their schools, after spending time together, Rintaro and Kaoruko have begun to feel comfortable around each other. However, even with their growing bond, the barriers between the two schools are so high that Rintaro finds himself at a loss with his friends. The secret of his relationship is putting up walls between them. And so, Rintaro calls Kaoruko and her friend Subaru to a meeting, hoping to find a solution...