Artist, the creator of Touhou video stories "Oni-Hitokuchi" (nicopedia / niconico MyList).
Japanese name: εζζΏζε· (Hangetsuban Sonshou, lit. "Tear of meniscus")
Old name: εη€ηΆεζ (Enbanjou Hangetsu)
The other name: εγγ€ (Hanketsu)