愛が死ぬのは君のせい•Ai ga Shinu no wa Kimi no Sei

It is because of you that love will die

Aoi and Isumi were childhood friends who often played with each other; but before they knew it they drifted apart and became high school students. In the past, Aoi confessed to Isumi; however, for some reason she cannot remember his exact response. And so the two end up getting into a fight over a trivial matter... (Source: Sun)