"Finally, being a girl is not so bad!" That's what Yamada, a young high school student who has just switched bodies with the young and pretty Urara! But the future holds many surprises for her. Yamada is the anchor to the dirty character of the high school. One day, he kisses the best student in the class. And their bodies are exchanged! Unable to understand what happened, they will have to face this new situation each in his own way. Gradually, they will understand in the eyes of others that the idea that they were having each other was not necessarily the right one...