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The series follows Yashiro, a young, high-ranking yakuza boss and president of a front corporation. He is assigned a new bodyguard, Chikara Dōmeki, who discovers that his employer is a hypersexual masochist. Yashiro develops an attraction to Dōmeki, who rejects his advances. Yashiro later discovers that Dōmeki is impotent and pursues a sadomasochistic relationship with him.