Hiro Kiyohara - is a video game artist. Hiro Kiyohara began his career in 2017 and has worked for companies such as SEGA. Hiro Kiyohara's first game was Valkyria Revolution which was released 6 years ago. Best Game Hiro Kiyohara contributed to was Valkyria Revolution. Hiro Kiyohara's latest work is Valkyria Revolution which was released 6 years ago.