One day the Hatsune Nana is violated the schoolgirl who returned by the boy student who wore a mask suddenly to forget it, and to take the thing in the classroom. Be worried about a state of the Nana, and the Saotome Ai of the few Teacher calls out to you, but the interval is returned after starting for the new post if all right. The Kuro world sumi valley of the Teacher minds Ai, and shall return together? to provokes it, but is declined. The Houkago of the next day, the Hoshino Megu of the schoolgirl talk to the Ai which a lesson needs alone. Say that the Megu has a favorite person and is troubled. When the Ai gave courage and should confess, advised it, but were Nan and Ai.
