A beautiful pianist comes to Tokyo for a charity concert, and City Hunter is there. But music isn't his forte-Joe wants lessons in the language of love. Typically, though, things don't go his way. A foreign dignitary is assassinated in cold blood; secret agents scour the streets for a missing microchip; and diplomatic infighting swirls around the upcoming concert-until Nina the pianist and her grandfather Klaus are kidnapped.

Are you in trouble? Did you make an unsuspecting deal with a crooked businessman? Are dastardly villains threatening your life? Are you a beautiful woman? Well, then just write XYZ on the message board at the Shinjuku Station, and Ryo Saeba, troubleshooter, expert marksman and incurable ladies' man, will be there to rescue you before you know it. And his partner, the feisty Kaori with her trusty assortment of 100-ton hammers and mallets, won't be far behind...