Often called "Bird", he is a delinquent offered room and board at Seiryō Academy in exchange for working there in the dining hall. He was good friends with Lan, but Talon kills him. They then take his remains and turn him into the cyborg RX-606, and he seeks out Lan again.

Sonnet is a cyborg/esper from a harsh background and now trained to be the ultimate warrior and most powerful weapon in the world. She is sent to Japan to watch Komatsuzaki Lan, who is thought to be controlled by the rage of the esper Akai Kiba (Crimson Fang). Lan is a quiet girl who knows she's different from everybody else and starts to show signs of Crimson Fang after coming into contact with Sonnet. In the course of fighting with Lan, Sonnet starts to rediscover her humanity. At the same time Lan has to fight to retain her humanity and control the Crimson Fang.
 
(Source: Anime News Network)

The year is 1980 in East Harlem, New York. Sonnet Barge, 16 years old, holds a mysterious power. Because of the weird accidents that surround her, she’s shunned by everyone and forced to live a life of prostitution. Talon, secret organization aiming for world conquest, takes interest in her abilities, setting her on the path to battle against Ran, heiress to the blood of the ancient superhumans. 
Contains 3 extra chapters and 4 one-shots: 
Akai Kiba Bangai-hen 
Vol. 3: Baku (獏―ばく―); Bessatsu Hana to Yume 1982 Fuyu no Gou 
Vol. 8: Wataru-kun Scramble (ワタルくんスクランブル), Bayern no Kaseiji (バイエルンの火星人); Hana to Yume 1983-09, 12 
Vol. 8: Ragnas AD.2213 (ラグナスAD.2213); Hana to Yume EX Summer (1983-06-10) 
Vol.18: San Room (サン・ルーム); Hana to Yume EPO 1986-06 
Vol. 19: Doukyonin wa Bijin! (同居人はBIJIN!), 2-e Bijin Syndrome (2重BIJINシンドローム); Hana to Yume 1987-02, 07

Shuuichi Torigai