An assassin at the tender age of fifteen cannot cope with the pressure and commits suicide. Through fate or luck, she is given the transplant heart of Kaori; the partner of Saeba Ryo-City Hunter. Now the former assassin works with Saeba Ryo-City Hunter to solve the problems of others while the deceased Kaori lives on in the body of an assassin.
plays Ryo Saeba
plays Shan-In 'Glass Heart' Lee
plays Hideo Mochiyama
plays Saeko Nogami
plays Kaori Makimura