Not only that Hibiki must keep their secret, always try to show the principal to find evidence that Hibiki is a man, not a woman. This is then part of the excitement.
As Hibiki Fuko help with various things, they begin slowly to get feelings for each other, but none of them understand exactly what is going on. Hibiki is confused that he suddenly likes bras very well, and Fuko do not understand that she may have feelings for a girl. Not only is it a boy in class named Akira Fukae has feelings for Fuko, but since she is so confused about her feelings for Hibiki, she don't know what to answer when he asks if she will be with him. What Fuko do not know is that Fujio Himejima, which is one of the best friend, are in love with Akira, and asked him if he wanted to be with her, but as I said, since he was in love with Fuko he replied no.
Without a doubt, I give this: 10/10