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 Higanbana no Saku Yoru ni. He also is the creator of a visual/sound novel titled Rose Guns Days, 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.

Twitter: @07th_official