Eromangaka.

Japanese name: さいだ 一明 (Saida Kazuaki) (Reading is from this. )
Old names: ヴァリガルマンダ (Varigarumanda) and 天角 いちか (Amasumi Ichika) (Reading is from this. )
Pixiv nickname: さいだー (Saidaa)
Circle name: Tridisaster
Site name: Hammerring On

See also

• Home page: http://saboten.sakura.ne.jp/~vari/
• Pixiv account: http://www.pixiv.net/member.php?id=437812