This is a Japanese designer of pen and paper dice roleplaying games, including:
- Golden Sky Stories
- Maid RPG
- Nechronica
- Detatoko Saga
- Dracurouge
- Zettai Reido
- Ventangle
http://tvtropes.org/pmwiki/pmwiki.php/Creator/RyoKamiya
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This is a Japanese designer of pen and paper dice roleplaying games, including: