The Sakurano family, one of the five major conglomerates that rule the country. Mayori is a young α who carries burden of becoming next head of the family on his back. However Mayori, who only pretends to be an alpha, is venting his excess heat off as a top-class masked prostitute (Joker) at the brothel he runs, unexpectedly meets Reiji Touin as a customer. Reiji who smells of wisteria flower is also one of the clan. Reiji, who spent passionate night with Mayori as a customer, offeres a deal to the reunited Mayori...?