There is a secret group that is making a killing through compensated dating. The true nature of "Angels" is unclear. The Black Lion Society, whose hometown was destroyed, has been capturing suspected people one by one with the aim of destroying the prostitution ring, and in the name of interrogation, they are training them. While the Black Lion Society's net is spread widely, Sweet, who disappeared, Worried about her fellow Angels members, Natsu goes on a search on her own, and after getting some information, she goes to the Kuroshishikai hideout, but...