Main member of the 07th Expansion circle and creator of the popular visual/sound novel series 'When They Cry', including Higurashi no Naku Koro ni, Umineko no Naku Koro ni, and the currently releasing Ciconia no Naku Koro ni. He also is the creator of two visual/sound novels titled Rose Guns Days and Higanbana no Saku Yoru ni, and wrote the Lucia Route of Visual Arts' Key's visual novel Rewrite. His pen name is a tribute to Reina of Final Fantasy V.
His name is pronounced "Ryuukishi Zero Nana."
