The Kannon Group from the Kanto region came into conflict with the Kinno Group, which was expanding its influence in Kansai, resulting in the assassination of their first-generation boss. Just as they were preparing for the succession to the second generation, several members including Kanou Group's senior officer Kanou Zenji were arrested en masse, leading to Zenji's wife Maika Asai assuming the role of second-generation boss. Strange rumors began to circulate about her, with more people hearing stories of her being involved with young women late at night. Amidst this, Ayumi Shinoda, wife of the Kanou Group's wakagashira, is forced to confront the truth behind these rumors with her own body. As she does, the true identity of the person who destroyed the organization and assassinated the former boss is gradually revealed.