- Author: Ryohei Hase Author Record # 199082
- Birthdate: 23 December 1980
- Language: Japanese
- Webpages: ryohei-hase.deviantart.com, ryoheihase.com
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Cover Art
- D'or et d'émeraude [French] (2017)
- El Teatro de los Prodigios [Spanish] (2012)
- La voix du feu [French] (2015)
- Lancelot [French] (2014)
- Pinselstriche auf glattem Reispapier [German] (2014)
- Go Forward and Forward [English] (2009)
- Go Forward and Forward (detail) [English] (2009)
- Mary Musth [English] (2010)
- Narco Americano [English] (2011)
- Narco Americano (detail) [English] (2011)
- Pinselstriche auf glattem Reispapier [German] (2014)
- Suddenly Appeared Out of Nowhere [English] (2013)