Manako Kajii is arrested by depriving several men's property and murdering them. Rika Machida, the journalist from a weekly magazine, gets to have an interview with Kajii. During the interview, Kajii who hates feminists and margarine so bad starts to give certain instructions to Rika. Since then, whenever Rika is exposed to Kajii's ambitious words and actions, her inner side, appearance, relationships with her friends and lover change