ichika belongs to "Diana," a queen-like secret society that punishes bad men. The Imoarizaka Group was selling suspicious aphrodisiacs disguised as beauty supplements and drugging women. In order to punish the despicable group, she sneaks into their hideout, but is caught. Then, she is put in a state where she can't move her hands or feet, and her originally hidden masochistic side is gradually revealed. In the end, she becomes a woman so lewd that the men are amazed.