Volume 1 Introduction: Koya is reunited with Aihime, a girl he used to play with when he was a child, for the first time in nine years. Even though they have been apart, Koya has developed feelings for Aihime through their social networking service, and he takes the opportunity of their reunion to tell her how he feels about her! But she has a secret...? This girl is going to be happy...? A romantic comedy about happiness and saturation! This is a special edition that includes a bonus paper only...
