The Primary Color Space banner
Primary-Color Space (原色空間 Genshoku Kuukan, formerly known as Nekofla) is a Japanese game development circle which has created a small number of games, mostly flash applications. It is most known for it's Touhou fan game, Marine Benefit. There is also an upcoming idolm@ster-themed game known as Advanced Barrage Creation Girls which will have gameplay inspired by Shoot the Bullet.