Doujin circle led by "ti".  Although "ti" himself is an artist, this circle often engages some [[second-party source|other artists]] to illustrate its doujin works.

Circle leader: ti (ティーアイ)
The other name: 池田 (Ikeda)
Circle name: 青水庵 (Aomizuan)
Old site name for ti's pixel art: オレウェポン (Ore Weapon)
aomizuan