Production I.G 制作的 Galgame

Production I.G is a Japanese anime studio and production enterprise, founded on December 15, 1987 by Mitsuhisa Ishikawa and headquartered in Musashino, Tokyo, Japan. Production I.G has been involved in the creation of numerous anime television series, OVAs, theatrical films, and is further involved in video game design and development, as well as music publishing and management. [From Wikipedia] Official English website