The man was called the "Manslayer Demon. One day, he stabs a rival gang member to death in the dark. A rookie female cameraman happened to capture the moment. The man was sentenced to five years in prison for the scoop footage and is tossed about by the passage of five years. Gradually, the man is forced to leave his home, but he soon regains the eyes of the "beast" he once was...
Lady-killer Ikki Fujisawa uses his boyish charm and his obvious skill at cunnilingus to habitually seduce and then swindle societal elite women out of millions. Keeping a close eye on Ikki's adventures in the hope of a slip-up is a thick-skinned detective who resorts to collaborating with a renowned retired conman in his pursuit of this libidinous criminal.