Protagonist Tsujikawa Kyou who is manager in idol office. He was troubled to a selfish idol that oneself takes charge of. It is late, the responsibility is pressed if not educated... always have a terrible experience.

One day "Suspicious necklace" was obtained. It is said that anything can replace oneself with the person who put on this necklace. Two body and the heart have actually changed places though it was indescribably thought that the story without reality. In a word the heart of Kozue to the body of Kyou, the heart of Kyou has entered the body of Kozue.

[Fu, fufufu]

There was believing if witnessed so.

(For a moment... what is laughed? Because it is nice, returning quickly...!!) [To the origin? It is a consultation that cannot be done. From now on to you, my retaliation is accepted.]

Thus the retaliation of Kyou started.