The story depicts the underworld duel Event "Akujo Ranking," where historical villainesses fight against each other. Kujiramaru Odori, a man betrayed by a girl he spent 50 million yen on, cannot accept reality and thinks, "There's no way Rika-chan could be a villainess who deceives men and steals money..." To Kujiramaru, a woman who had stood in the room before he knew it speaks, saying, "That girl is not a villainess." That woman's name is Marie Antoinette. Upon meeting a real villainess, Kujiramaru gets caught up in the battle of the "Akujo Ranking."