Troyca Inc. (Japanese: 株式会社トロイカ, Hepburn: Kabushiki-gaisha Toroika; stylized TROYCA) (from Russian: тройка - troika, “team of three”) is a Japanese animation studio founded by former AIC producer Toshiyuki Nagano, photography director Tomonori Katou, and anime director Ei Aoki in May 2013.