Yuuichi Hirosaki

is a psychotic scientist that lost his daughter and hijacked Brian to have his revenge against motorbikers and police officers.
==Character History==
Hirosaki hijacked Brian and wanted to kill Natsumi so that she would be with his late daughter Yukari, even having his plans failed; He steals Ryouma's Winsquad to destroy the base, with Ryouma's invasion into Hirosaki's base, with the GigaStreamer destroys the door, knowing that he should have transformed into Fire, Hirosaki dies after his base is about to self-destroy.
==Notes==
===Portrayal===
* Yuuichi Hirosaki is portrayed by Touta Tarumi, known for having portrayed Jin/Red Flash in Choushinsei Flashman.
===Behind the Scenes===
* to be added
==References==