Haruki and Aoi are always together, to the extent that they are even chilled out in class. The two childhood friends are so close that they have never been conscious of each other.One day, however, they realise their feelings for each other. Aoi understands that she has to let go of the comfortable distance they have been enjoying, and begins to avoid Haruki. ...... A coming-of-age story about high school students in love.