Haru Izanami, sister of Haru Kato, are members of the Metropolitan Police Department [Modern Crime Prevention Task Force.] Iza, as they call her has always been in P.T.F [prevention task force] but after a certain incident her brother joins her in her work. After a certain meeting with Daisuke Kambe, the two siblings believe that they are now gonna handle more than they ever signed up for. [All rights to the creators of Fugō Keiji: Balance: Unlimited, Yasutaka Tsutsui]

Engaged to each other even before they were born, it seemed like fate wanted nothing more than to bring the two together. A lady who was the sole heiress to the L/n Conglomerate. A fine young man who was a scion of the millionaire Kambe family. With all of these things listed out, let's take a peak into this soon-to-be-wedded duo's lives, shall we?