She is a character from Nijiura's convenience store personification project: 双葉町コンビニーズ (Convenies in Futaba Town)

• Seikatsu Saika-tan page: http://convenies.fc2web.com/saika/index.html

• Datalog site (old): http://convenies.fc2web.com/
• Datalog site (new): http://convenies.s206.xrea.com/