Gunjou no Subete

Makihara Kai and Mizushiro Ren have been in the same class from the beginning of middle school up to their second year of high school. But then they're separated in their last year. In the days where nothing ever changes, small ripples begin to form and hidden feelings begin to bloom. You want to say it, but you can't. Those words hidden for ages deep in your heart… when they come out, what will the answer be?