Kazutoshi Soyama
Animeography
Dangerous Jiisan Ja
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Zettai Zetsumei Dangerous Jiisan
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Zettai Zetsumei Dangerous Jiisan (2004)
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Zettai Zetsumei Dangerous Jiisan (2005)
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Zettai Zetsumei Dangerous Jiisan Special-ban
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Baka.
Story & Art
Dangerous Jiisan Ja
Story & Art
Soyamatsuri
Story & Art
Zettai Zetsumei Dangerous Jiisan
Story & ArtAbout
Birthplace: Tokyo, Japan