Private Eye Takeshi Shinonome is in for a wild ride when he meets Ayumu out in the rain. After she asks him to investigate rumors concerning her husband, Ayumu's father, a well known politician, secretly asks Takeshi to investigate Ayumu's own private life. Could she be hiding something that could cost him the election?

But when Takeshi's investigations find Ayumu in the middle of an extremely dangerous situation, political motive might be the answer. Could her father's enemy be behind this?

Meanwhile, as Takeshi tries to uncover who is trying to hurt Ayumu, he discovers a new drug. One tied to the increasing number of rampant murders... Will the beautiful girls he becomes involved with help him solve the mystery? Your mission is to find out in this bold new erotic bishoujo adventure!