Kiyoshi Cynth is a dark fallen angel was sent to eath to find and to protect the 17 years old girl from harm that she has been through... Kiyoshi was sent by the guardians of justice,if he successfully completed his mission,he will be reborn and will become s human again. Kiyoshi was once a human not until a car accident happened. He became the dark angel meaning that he have given a chance to live but there is a trade-off before he becomes human again.