Seirou Okamoto - is a video game composer. Seirou Okamoto began his career in 2007 and has worked for companies such as SEGA. Seirou Okamoto's first game was Sonic and the Secret Rings which was released 17 years ago. Best Game Seirou Okamoto contributed to was Sonic and the Secret Rings. Seirou Okamoto's latest work is Sonic Rush Adventure which was released 16 years ago.